# Mathematician:Mathematicians/Sorted By Birth/1901 - 1930 CE

For more comprehensive information on the lives and works of mathematicians through the ages, see the MacTutor History of Mathematics archive, created by John J. O'Connor and Edmund F. Robertson.

*The army of those who have made at least one definite contribution to mathematics as we know it soon becomes a mob as we look back over history; 6,000 or 8,000 names press forward for some word from us to preserve them from oblivion, and once the bolder leaders have been recognised it becomes largely a matter of arbitrary, illogical legislation to judge who of the clamouring multitude shall be permitted to survive and who be condemned to be forgotten.*- -- Eric Temple Bell:
*Men of Mathematics*, 1937, Victor Gollancz, London

- -- Eric Temple Bell:

## Contents

- 1 $1901$ – $1910$
- 1.1 1901
- 1.2 1902
- 1.3 1903
- 1.4 1904
- 1.5 1905
- 1.6 1906
- 1.7 1907
- 1.8 1908
- 1.9 1909
- 1.10 1910

- 2 $1911$ – $1920$
- 2.1 1911
- 2.2 1912
- 2.3 1913
- 2.4 1914
- 2.5 1915
- 2.6 1916
- 2.7 1917
- 2.8 1918
- 2.9 1919
- 2.10 1920

- 3 $1921$ – $1930$
- 3.1 1921
- 3.2 1922
- 3.3 1923
- 3.4 1924
- 3.5 1925
- 3.6 1926
- 3.7 1927
- 3.8 1928
- 3.9 1929
- 3.10 1930

## $1901$ – $1910$

### 1901

#### February

##### Richard Dagobert Brauer (1901 – 1977)

German / American mathematician who worked mainly in abstract algebra.

Made important contributions to number theory.

Founder of modular representation theory.
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#### March

##### Otto Schreier (1901 – 1929)

Austrian mathematician who made great advances in group theory before dying unfortunately young of sepsis.
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##### Naum Ilyich Akhiezer (1901 – 1980)

Russian mathematician, known for his works in approximation theory and the theory of differential and integral operators.
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#### May

##### Edouard Zeckendorf (1901 – 1983)

Belgian doctor, army officer and amateur mathematician, best known for Zeckendorf's Theorem.
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#### June

##### Raj Chandra Bose (1901 – 1987)

Indian American mathematician and statistician best known for his work in design theory, finite geometry and the theory of error-correcting codes.

Invented the notions of partial geometry, strongly regular graph.

Started a systematic study of difference sets to construct symmetric block designs.

Noted with Sharadchandra Shankar Shrikhande and Ernest Tilden Parker for disproving Euler's Conjecture on Orthogonal Latin Squares.
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#### August

##### Steven Vajda (1901 – 1995)

Hungarian mathematician whose main work was in game theory and mathematical programming.
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##### Edward Thomas Copson (1901 – 1980)

British mathematician best known for his textbooks in various fields.
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#### September

##### Kurt Otto Friedrichs (1901 – 1982)

German applied mathematician whose major contribution was his work on partial differential equations.
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#### October

##### François Le Lionnais (1901 – 1984)

French chemical engineer and writer, occasionally on mathematics.
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#### November

##### Ernest Nagel (1901 – 1985)

American philosopher of science, aligned with the logical positivist movement.
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#### December

##### Werner Karl Heisenberg (1901 – 1976)

German theoretical physicist who was one of the key pioneers of quantum mechanics.
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##### Frank J. Ayres, Jr. (1901 – 1994)

American mathematician best known for his text books.
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### 1902

##### Salomon Lubelski (1902 – c. 1941)

Polish mathematician who mainly workked in number theory.

Best known for being the founder of *Acta Arithmetica* with Arnold Walfisz.
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#### January

##### Karl Menger (1902 – 1985)

Austrian-American mathematician who worked on mathematics of algebras, algebra of geometries, curve and dimension theory.

Also contributed to game theory and social sciences.
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##### Alfred Tarski (1902 – 1983)

Polish mathematician who worked in several fields of mathematics, in particular logic.

Most famous for the Banach-Tarski Paradox (with Stefan Banach) in $1924$.
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##### Joseph Warner Howe (1902 – 1983)

American physicist working mainly in the field of fluid mechanics and hydraulics.
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##### Oskar Morgenstern (1902 – 1977)

German-born economist notable for founding the field of game theory in collaboration with John von Neumann, and applying it to economics.
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#### February

##### Jovan Karamata (1902 – 1967)

Serbian mathematician working in analysis.

Introduced what is now known as Karamata notation for Stirling numbers.
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#### May

##### Marcel Jules Edouard Golay (1902 – 1989)

Swiss-born mathematician, physicist, and information theorist, who worked on real-world military and industrial problems.
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##### Leonard Henry Caleb Tippett (1902 – 1985)

English statistician who pioneered extreme value theory.
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##### Frank Yates (1902 – 1994)

English pioneer of $20$th century statistics.
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##### Camillo Herbert Grötzsch (1902 – 1993)

German mathematician working mainly in graph theory
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#### June

##### Carolyn Eisele (1902 – 2000)

American mathematician and historian of mathematics known as an expert on the works of Charles Sanders Peirce.
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#### August

##### Paul Adrien Maurice Dirac (1902 – 1984)

English theoretical physicist who made fundamental contributions to the early development of both quantum mechanics and quantum electrodynamics.
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#### October

##### Hansraj Gupta (1902 – 1988)

Indian mathematician specialising in number theory, in particular the study of the partition function.
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#### November

##### Eugene Paul Wigner (1902 – 1995)

Hungarian-American theoretical physicist and mathematician.
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##### Tirukkannapuram Vijayaraghavan (1902 – 1955)

Indian mathematician known for his work on Pisot-Vijayaraghavan numbers.
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#### December

##### Hubert Stanley Wall (1902 – 1971)

American mathematician who worked primarily in the field of continued fractions.

One of the leading proponents of the Moore method of teaching.
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### 1903

#### February

##### Bartel Leendert van der Waerden (1903 – 1996)

Dutch mathematician and historian of mathematics.
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##### Frank Plumpton Ramsey (1903 – 1930)

British mathematican most famous for founding the field of what is now called Ramsey Theory.
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#### April

##### Marshall Harvey Stone (1903 – 1989)

American mathematician who contributed to real analysis, functional analysis, and the study of boolean algebras.
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##### Isaac Jacob Schoenberg (1903 – 1990)

Romanian-American mathematician, known for his discovery of splines.
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##### John Francis Riordan (1903 – 1988)

American mathematician and the author of major early works in combinatorics.

Also contributed significantly to the world of literature and poetry.
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##### Andrey Nikolaevich Kolmogorov (1903 – 1987)

Russian mathematician active in various fields, including probability theory, topology and intuitionistic logic.
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#### June

##### Alonzo Church (1903 – 1995)

American mathematician who pioneered in the field of computability theory and the foundations of computer science.

Best known for his lambda calculus, Church's Theorem and Church's Thesis.
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#### July

##### Kurt Mahler (1903 – 1988)

German mathematician working mainly in analysis and number theory.

Proved the Prouhet-Thue-Morse constant and Champernowne constant to be transcendental.
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#### September

##### Andrey Andreyevich Markov Jr. (1903 – 1979)

Soviet mathematician working in the fields of topology, mathematical logic and several others.
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#### November

##### Robert Pollock Gillespie (1903 – 1977)

Scottish mathematician who published several important books on mathematics.
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#### December

##### John von Neumann (1903 – 1957)

Hungarian-American mathematician who made major contributions to a vast range of fields, including set theory, functional analysis, quantum mechanics, ergodic theory, continuous geometry, economics, computer science, numerical analysis and statistics, to name but a few.

Founded the field of game theory in collaboration with Oskar Morgenstern.

Generally regarded as one of the foremost mathematicians in modern history.
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### 1904

#### March

##### Aline Huke Frink (1904 – 2000)

American mathematician.
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#### April

##### Philip Hall (1904 – 1982)

English mathematician active in the field of group theory.
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#### May

##### Edward James McShane (1904 – 1989)

American mathematician noted for his advancements of the calculus of variations, integration theory, stochastic calculus, and exterior ballistics.
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##### Clifton Paul Fadiman (1904 – 1999)

American intellectual, author, editor, radio and television personality who edited some mathematically-based anthologies.
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#### June

##### John Greenlees Semple (1904 – 1985)

British mathematician whose most important work was in algebraic geometry.
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#### July

##### Helmut Grunsky (1904 – 1986)

German mathematician who worked in complex analysis and geometric function theory.
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##### Carew Arthur Meredith (1904 – 1976)

Irish mathematician and logician best known for his work on development of the shortest known axiomatic bases for logical systems.

Developed the technique of condensed detachment, which is particularly convenient for use in automated theorem solvers.
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#### October

##### Hans Lewy (1904 – 1988)

German born American mathematician, known for his work on partial differential equations and on the theory of functions of several complex variables.
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##### Ingebrigt Johansson (1904 – 1987)

Norwegian mathematician and logician best known for inventing minimal logic.
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#### December

##### William Hunter McCrea (1904 – 1999)

Irish mathematician, physicist and astronomer who specialised in solar physics.
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### 1905

#### January

##### Dattathreya Ramchandra Kaprekar (1905 – 1986)

Indian recreational mathematician who described several classes of natural numbers including the Kaprekar, Harshad and Self numbers and discovered the Kaprekar constant, named after him.
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#### February

##### Rózsa Péter (1905 – 1977)

Hungarian mathematician best known for her work in recursion theory.
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#### September

##### Hans Freudenthal (1905 – 1990)

German born Dutch mathematician, made substantial contributions to algebraic topology.

Took an interest in literature, philosophy, history and mathematics education.

One of the most important figures in mathematics education in the $20$th century.
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#### October

##### Wilhelm Ljunggren (1905 – 1973)

Norwegian mathematician, specializing in number theory.
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#### November

##### Albert William Tucker (1905 – 1995)

Canadian mathematician who made important contributions in topology, game theory, and non-linear programming.
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#### December

##### Derrick Henry Lehmer (1905 – 1991)

American mathematician active mainly in the field of number theory.

Most famous for designing the Lucas-Lehmer Test for determining the primality of Mersenne numbers.

The son of Derrick Norman Lehmer, and married to Emma Lehmer, née Trotskaia.
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### 1906

##### Hunter Rouse (1906 – 1996)

American physicist working mainly in the field of fluid mechanics and hydraulics.
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#### February

##### Edward Maitland Wright (1906 – 2005)

**Sir Edward Maitland Wright** was an English mathematician best known for co-authoring the 1938 work *An Introduction to the Theory of Numbers*, with G.H. Hardy.
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#### April

##### Kurt Friedrich Gödel (1906 – 1978)

Austrian mathematician who emigrated to the U.S.A. in 1940.

Famous for his first and second incompleteness theorems.
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#### May

##### André Weil (1906 – 1998)

French mathematician who known for his foundational work in number theory and algebraic geometry.

Founding member and early leader of the Bourbaki group.
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#### June

##### Max August Zorn (1906 – 1993)

German-born American mathematician who worked in algebra, set theory and numerical analysis.

Best known for Zorn's Lemma, which he discovered in 1935. This is also known as the Kuratowski-Zorn Lemma, thereby acknowledging the work of Kazimierz Kuratowski who had published a version of it in 1922.
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#### July

##### Daniel Edwin Rutherford (1906 – 1966)

British mathematician, known as **Dan Rutherford**, who mainly worked on abstract algebra, vector analysis and fluid mechanics, among various others.
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#### October

##### Alexander Osipovich Gelfond (1906 – 1968)

Russian mathematician and prolific writer (Russian: **Алекса́ндр О́сипович Ге́льфонд**) best known for the Gelfond-Schneider Theorem.

Established in $1929$ that $e^\pi$ is transcendental.
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##### Andrey Nikolayevich Tychonoff (1906 – 1993)

Russian mathematician best known for his work in topology.
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#### November

##### Carl Benjamin Boyer (1906 – 1976)

American historian of mathematics and science.
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##### Emma Markovna Lehmer (1906 – 2007)

**Emma Markovna Lehmer** (née **Trotskaia**) was a Russian-born mathematician active mainly in the field of number theory.

The wife of Derrick Henry ("Dick") Lehmer, with whom she was a frequent collaborator.
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### 1907

##### James Roy Newman (1907 – 1966)

American mathematician and historian of mathematics best known for his writings and popularisations.
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#### January

##### Raymond Edward Alan Christopher Paley (1907 – 1933)

English mathematician who worked mainly on of real-variable techniques in complex analysis.
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#### February

##### Harold Scott MacDonald Coxeter (1907 – 2003)

British-born Canadian mathematician who is best known for his work in geometry.
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#### March

##### Hassler Whitney (1907 – 1989)

American mathematician who worked mainly in topology.
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#### April

##### Lars Valerian Ahlfors (1907 – 1996)

Finnish mathematician noted for his work in analysis.
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#### May

##### Holbrook Mann MacNeille (1907 – 1973)

American mathematician who worked for the United States Atomic Energy Commission before becoming the first Executive Director of the American Mathematical Society.
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##### Boris Anastasyevich Kordemsky (1907 – 1999)

Russian mathematician and educator, best known for his popular science books and mathematical puzzles.
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##### Karl Johannes Herbert Seifert (1907 – 1996)

German mathematician who worked mainly in topology and knot theory.

Collaborated extensively with William Threlfall.

One of the few who managed to weather the 2nd World War without upsetting either the Nazis or the Allies.
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#### September

##### Maurice George Kendall (1907 – 1983)

English mathematician who made significant contributions to statistics.
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##### Edwin Mattison McMillan (1907 – 1991)

American physicist and working in nuclear science.

Also worked on the mathematics of computation.
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#### October

##### Sarvadaman D.S. Chowla (1907 – 1995)

British-born Indian American mathematician who worked mainly in number theory.
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##### Harold Davenport (1907 – 1969)

English mathematician who worked mainly in number theory.
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#### November

##### Edward Marczewski (1907 – 1976)

Polish mathematician who worked in mainly in the fields of measure theory, descriptive set theory, general topology, probability theory and universal algebra.
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#### December

##### John Barkley Rosser Sr. (1907 – 1989)

American logician best known for his work in mathematical logic.
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### 1908

##### Meyer Abraham Girshick (1908 – 1955)

Russian mathematician who worked in game theory.
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#### March

##### Theodore Samuel Motzkin (1908 – 1970)

German-born Israeli-American mathematician who was one of the pioneers of linear programming.

Also published in the fields of algebra, graph theory, approximation theory, combinatorics, numerical analysis, algebraic geometry and number theory.

Worked as a cryptographer for the British government during World War II.
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#### April

##### John Charles Chenoweth McKinsey (1908 – 1953)

American mathematician best known for his work on mathematical logic and game theory. He also made significant contributions to modal logic.
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#### May

##### Morris Kline (1908 – 1992)

American physicist, mathematics teacher, historian, and agitator for the teaching of the New Mathematics in schools.
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#### June

##### Willard Van Orman Quine (1908 – 2000)

Legendary American philosopher and logician, known by his friends as **Van**.

Proposed three systems of axiomatic set theory.

The word **quine** was coined by Douglas R. Hofstadter in his classic 1979 work *Gödel, Escher, Bach: an Eternal Golden Braid*, in which what is now known as Quine's Paradox was discussed at length.

The word **quine** is now used for a computer program whose output is itself.
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#### September

##### Lev Semenovich Pontryagin (1908 – 1988)

**Lev Semenovich Pontryagin** (Russian: **Лев Семёнович Понтрягин**) made major discoveries, mainly in the field of geometric topology.
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#### October

##### Sergei Lvovich Sobolev (1908 – 1989)

**Sergei Lvovich Sobolev** (Russian: **Серге́й Льво́вич Со́болев**) worked mainly in the fields of analysis and partial differential equations.
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### 1909

#### January

##### Stephen Cole Kleene (1909 – 1994)

American mathematician best known as one of the great pioneers in the field of recursion theory.
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#### February

##### Claude Chevalley (1909 – 1984)

French mathematician who made important contributions to number theory, algebraic geometry, class field theory, finite group theory, and the theory of algebraic groups.

Founding member of the Bourbaki group.
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#### April

##### Stanisław Marcin Ulam (1909 – 1984)

Polish-American mathematician who participated in America's Manhattan Project.

Originated the Teller-Ulam design of thermonuclear weapons.

Invented the Monte Carlo method of computation.

Suggested the concept of nuclear pulse propulsion.

Also worked in the fields of both pure and applied mathematics.
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#### July

##### Arthur Sard (1909 – 1980)

American mathematician, famous for his work in differential topology and in spline interpolation.
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#### August

##### Saunders Mac Lane (1909 – 2005)

American mathematician who cofounded category theory with Samuel Eilenberg.

Introduced the diagrammatic approach to mathematics, in particular pioneering the use of commutative diagrams.
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##### Florence Nightingale David (1909 – 1993)

English mathematician noted for her work in statistics.
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#### October

##### Bernhard Hermann Neumann (1909 – 2002)

German-born mathematician who was one of the leaders in the field of group theory.

Husband of Hanna Neumann and father of Peter Michael Neumann.
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#### November

##### Gerhard Karl Erich Gentzen (1909 – 1945)

German mathematician and logician who made progress in symbolic logic.

Proved that the Peano axioms are consistent.
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### 1910

#### March

##### Charles Pisot (1910 – 1984)

French mathematician best known as one of the primary investigators of the Pisot-Vijayaraghavan numbers.

Argued as being a significant influence in the development of Number Theory.
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#### June

##### Fritz John (1910 – 1994)

German mathematician best known for his work on partial differential equations and ill-posed problems.
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#### July

##### Lothar Collatz (1910 – 1990)

German mathematician best known for posing the Collatz Conjecture.
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#### August

##### Tjalling Charles Koopmans (1910 – 1985)

Dutch American mathematician and economist.
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#### October

##### Cahit Arf (1910 – 1997)

Turkish mathematician best known for his work in abstract algebra and algebraic number theory.
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##### Nathan Jacobson (1910 – 1999)

Polish-American mathematician mainly working in abstract algebra.

Student of Joseph Henry Maclagan Wedderburn.

Known as **Jake** to his friends and colleagues.
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#### November

##### Hua Luogeng (1910 – 1985)

Chinese mathematician famous for his important contributions to number theory and for his role as the leader of mathematics research and education in the People's Republic of China.
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#### December

##### Charles Alfred Coulson (1910 – 1974)

British mathematician whose main area of research was in applications to molecular physical chemistry.

Published widely in the field of applied mathematics.
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##### Helmut Wielandt (1910 – 2001)

German mathematician whose main work was in group theory, especially permutation groups.
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## $1911$ – $1920$

### 1911

##### Anthony Perry Morse (1911 – 1984)

American mathematician who worked both in analysis, especially measure theory, and in the foundations of mathematics.
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#### January

##### Dov Jarden (1911 – 1986)

Israeli mathematician, writer and linguist best known for his published works.
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##### George Joseph Stigler (1911 – 1991)

American economist.
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##### Garrett Birkhoff (1911 – 1996)

American mathematician mainly working in mathematical physics and abstract algebra.

Also wrote plenty of text books: his *Lattice Theory* (1940) is much cited.

The son of George David Birkhoff.
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#### February

##### Alexander Kirkland Cairncross (1911 – 1998)

British economist.
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#### March

##### Walter Ledermann (1911 – 2009)

German mathematician best known for his work in homology, group theory and number theory.
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#### April

##### Walter Warwick Sawyer (1911 – 2008)

English mathematician best known for the books he wrote, especially *Mathematician's Delight* and *Prelude to Mathematics*.
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#### May

##### Theodor Schneider (1911 – 1988)

German mathematician best known for providing a proof of the Gelfond-Schneider Theorem.
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##### John Todd (1911 – 2007)

Northern Irish mathematician who was a pioneer in the field of numerical analysis.
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#### June

##### Ernst Witt (1911 – 1991)

German mathematician working mainly in the field of quadratic forms and algebraic function fields.
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#### October

##### John William Wrench, Jr. (1911 – 2009)

American mathematician working mainly in numerical analysis.

Pioneer of the use of computers for mathematical calculations

Best known now for his work with Daniel Shanks to calculate $\pi$ to $100 \, 000$ decimal places.
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#### November

##### Raphael Mitchel Robinson (1911 – 1995)

American mathematician who worked on mathematical logic, set theory, geometry, number theory and combinatorics.

One of the early computer pioneers, he implemented a program for the Lucas-Lehmer Test and in 1952 determined or confirmed the primality of all the Mersenne numbers up to $M_{2304}$. In the process, he discovered the Mersenne primes $M_{521}, M_{607}, M_{1279}, M_{2203}$ and $M_{2281}$.
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### 1912

#### May

##### Hans Julius Zassenhaus (1912 – 1991)

German mathematician who did significant work in abstract algebra, and also pioneered the science of computer algebra.
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#### June

##### Arthur Norton Milgram (1912 – 1961)

American mathematician who worked on functional analysis, combinatorics, differential geometry, topology, partial differential equations, and Galois theory.
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##### Alan Mathison Turing (1912 – 1954)

English mathematician who is often considered to be the "father of modern computer science".

Famous for his role in cracking the Enigma cipher in World War II, his conception of the Turing machine and the idea of the Turing test.
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#### July

##### David Gawen Champernowne (1912 – 2000)

English economist and mathematician, famous for proving that the number now known as the Champernowne constant is normal with respect to base $10$.
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##### Tibor Gallai (1912 – 1992)

Hungarian mathematician who worked in combinatorics, especially in graph theory.
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#### August

##### Ralph Philip Boas, Jr. (1912 – 1992)

American mathematician, teacher, and journal editor, working mainly in the fields of real and complex analysis.

Best known for his humorous applications of mathematical theorems to the practical purpose of hunting lions.
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##### Norman Levinson (1912 – 1975)

American mathematician whose major contributions were in the study of Fourier transforms, complex analysis, non-linear differential equations, number theory, and signal processing.

Worked closely with Norbert Wiener in his early career.

In $1974$ he published a paper proving that more than a third of the zeros of the Riemann zeta function lie on the critical line, a result later improved to two fifths by Conrey.
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### 1913

##### Arne E. Broman (1913 – 1995)

Swedish mathematician who primarily contributed to analysis.
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##### Charles Stanley Ogilvy (1913 – 2000)

American mathematician also well-known for being a sailor.
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#### January

##### Karl Stein (1913 – 2000)

German mathematician well known for complex analysis and cryptography.
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#### March

##### Paul Erdős (1913 – 1996)

Hungarian mathematician known for the vast quantity of work he did (approximately 1500 papers).

Spent his entire life travelling the world looking for interesting mathematical problems to solve.

Interesting to him often meant: easy to state, but difficult to solve.

Perhaps most famous for his widespread collaborations (about 500 collaborators), from which the concept of the Erdős Number emerged.
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#### June

##### Paul Julius Oswald Teichmüller (1913 – 1943)

German mathematician who introduced quasiconformal mappings and differential geometric methods into complex analysis.

Usually known as **Oswald Teichmüller**.
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#### July

##### Béla Szőkefalvi-Nagy (1913 – 1998)

Hungarian mathematician who contributed to the theory of Fourier series and approximation theory.

His most important achievements were made in functional analysis, especially in the theory of Hilbert space operators.
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#### September

##### Israel Moiseevich Gelfand (1913 – 2009)

Soviet and Russian mathematician who contributed considerably to many branches of mathematics, including group theory, representation theory and linear algebra.

Did much good work in the field of education.
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##### Abraham Charnes (1913 – 1992)

American mathematician who worked in the area of operations research.
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##### Samuel Eilenberg (1913 – 1998)

Polish-born American mathematician whose main field of activity were homology theory and category theory.
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#### November

##### Andrzej Mostowski (1913 – 1975)

Polish mathematician, best known for the Mostowski Collapse Lemma.
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#### December

##### Henry Martyn Cundy (1913 – 2005)

English mathematician best known for his reform of the teaching profession in Britain.
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### 1914

#### February

##### Hanna Neumann (1914 – 1971)

German-born mathematician active in the field of group theory.
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#### March

##### Leonidas Alaoglu (1914 – 1981)

Canadian-American mathematician, most noted for his contribution towards the Banach-Alaoglu Theorem.
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#### June

##### Rufus Philip Isaacs (1914 – 1981)

American game theorist known for his work on differential games.
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#### July

##### William Wager Cooper (1914 – 2012)

American operations researcher known for developing the field of linear programming.
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#### September

##### Robert Osher Schlaifer (1914 – 1994)

American statistician who was one of the pioneers of Bayesian decision theory.
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#### October

##### Martin Gardner (1914 – 2010)

American mathematician and magician best known for the books he wrote (of which there were many) popularizing mathematics and science.

Author of the *Mathematical Games* column in *Scientific American* between 1956 and 1981. This position was taken over by Douglas R. Hofstadter.

Also contributed a series of "puzzle page" articles for *Isaac Asimov's Science Fiction Magazine* in the late 1970's to early 1980's.

Also wrote a column called *Notes of a Fringe Watcher* (originally *Notes of a Psi-Watcher*) from 1983 to 2002 for the Committee for Skeptical Inquiry's periodical *Skeptical Inquirer*.
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### 1915

##### Milton Abramowitz (1915 – 1958)

American mathematician who made his mark co-editing the *Handbook of Mathematical Functions* with Irene Ann Stegun.
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##### Robert Henry Sorgenfrey (1915 – 1995)

American mathematician who made significant contributions to the field of topology.
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#### January

##### Yuri Vladimirovich Linnik (1915 – 1972)

Soviet mathematician active in number theory, probability theory and mathematical statistics.
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##### Herbert Ellis Robbins (1915 – 2001)

American mathematician and statistician who did research in topology, measure theory, statistics, and a variety of other fields.
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#### February

##### Richard Wesley Hamming (1915 – 1998)

American mathematician best known for his work on error-detecting codes.

Thus he started a new field of study within information theory.
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#### March

##### Harold Neville Vazeille Temperley (1915 – 2017)

English applied mathematician who made numerous contributions to the fields of statistical mechanics, graph theory and the physics of liquids and gases
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#### April

##### Daniel Martin (1915 – 2007)

British mathematician working mainly as a teacher of calculus.
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#### June

##### Nicholas Constantine Metropolis (1915 – 1999)

Greek-American physicist who worked on the first nuclear reactors

One of the members of the original staff of fifty scientists working at the Los Alamos National Laboratory.
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##### John Wilder Tukey (1915 – 2000)

American mathematician working mainly in the field of statistics.

Made contributions in the fields of nonparametric methods, robustness studies and interpretation of computer graphics.

Developed the use of the box plot, box-and-whisker diagrams and stem-and-leaf displays.

Best known for development of the FFT algorithm.
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#### September

##### Yehoshua Bar-Hillel (1915 – 1975)

Austrian-born Israeli philosopher, mathematician, and linguist.

Best known for his pioneering work in machine translation and formal linguistics.
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#### October

##### Ivan Morton Niven (1915 – 1999)

Canadian-American mathematician, most noted for solving most of Waring's Problem.

Also notable for Niven numbers and Niven's constant.
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#### November

##### Wilfred Kaplan (1915 – 2007)

American professor of mathematics whose research focused on dynamical systems, the topology of curve families, complex function theory, and differential equations.
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##### Bryant Tuckerman (1915 – 2002)

American mathematician who discovered, on March $4$th, $1971$, the $24$th Mersenne prime: $2^{19 \, 937} - 1$.
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### 1916

#### March

##### Paul Richard Halmos (1916 – 2006)

Hungarian-born mathematician who made fundamental advances in the areas of probability theory, statistics, operator theory, ergodic theory and functional analysis (in particular, Hilbert spaces).

Also famous for his widely-cited book *Naive Set Theory*.
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#### April

##### Claude Elwood Shannon (1916 – 2001)

American mathematician, electrical engineer, and cryptographer known as "the father of information theory".

Noted for having founded information theory with a landmark paper, *A Mathematical Theory of Communication*, published in $1948$.

Produced the first effective design for a chess-playing computer.
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#### May

##### Selmer Martin Johnson (1916 – 1996)

American mathematician working on number theory and optimisation problems.
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#### September

##### Anthony Henry Basson (1916 – 2004)

English mathematician specialising in symbolic logic.
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##### Richard Kenneth Guy (b. 1916 )

English mathematician active in the fields of game theory, number theory and graph theory.
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#### October

##### Nathan Jacob Fine (1916 – 1994)

American mathematician who worked on basic hypergeometric series.

Best known for his lecture notes on the subject which were used as a standard, until they were finally published as a book.

Solved the Jeep Problem in $1946$.
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##### Robert Dorfman (1916 – 2002)

American mathematician who made contributions to the fields of economics, group testing and in the process of coding theory.
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#### November

##### Adriaan van Wijngaarden (1916 – 1987)

Dutch mathematician and computer scientist known for his contributions to numerical analysis and Van Wijngaarden grammar.
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##### Roger Apéry (1916 – 1994)

Greek-French mathematician most remembered for Apéry's Theorem.
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#### December

##### John Leroy Kelley (1916 – 1999)

American mathematician best known for his work on topology and functional analysis.

Author of the widely-used and -cited textbook *General Topology*, and others.
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##### Irving John Good (1916 – 2009)

British mathematician of Polish ancestry who worked as a cryptologist at Bletchley Park with Alan Turing.

Subsequently focused on the design of computers and Bayesian statistics.
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### 1917

#### January

##### Daniel Shanks (1917 – 1996)

American mathematician who worked primarily in numerical analysis and number theory.

Best known as the first to compute $\pi$ to $100 \, 000$ decimal places.
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##### Graham Higman (1917 – 2008)

English mathematician active in the field of group theory.
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#### February

##### Georgi Evgen'evich Shilov (1917 – 1975)

Russian mathematician, expert in the field of functional analysis, who contributed to the theory of normed rings and generalized functions.
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#### March

##### Irving Kaplansky (1917 – 2006)

Canadian mathematician who made major contributions to group theory, ring theory, the theory of operator algebras and field theory.
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#### May

##### William Thomas Tutte (1917 – 2002)

English codebreaker and mathematician working on the foundations of graph theory and matroid theory.

Made a fundamental breakthrough in cryptanalysis of the Lorenz cipher, which contributed significantly to the defeat of Germany in the Second World War.
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#### June

##### Atle Selberg (1917 – 2007)

Norwegian mathematician known for his work in analytic number theory, and in the theory of automorphic forms.

Instrumental in developing a proof of the Prime Number Theorem. Engaged in a bitter dispute with Paul Erdős over priority.
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#### July

##### Patrick Alfred Pierce Moran (1917 – 1988)

Australian statistician who established some significant results in probability.

The Moran medal was named in his honour.
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##### Irving Marmer Copi (1917 – 2002)

American philosopher and mathematician best known for his university textbooks.
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#### September

##### Kai Lai Chung (1917 – 2009)

Chinese American mathematician known for his significant contributions to modern probability theory.
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#### October

##### Sharadchandra Shankar Shrikhande (b. 1917 )

Indian mathematician with distinguished and well-recognized achievements in combinatorial mathematics.

Noted with Raj Chandra Bose and Ernest Tilden Parker for disproving Euler's Conjecture on Orthogonal Latin Squares.
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#### November

##### Leonard Jimmie Savage (1917 – 1971)

American mathematician who worked on metric and differential geometry, calculus of variations and statistics.
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##### Elizabeth Leonard Scott (1917 – 1988)

American mathematician active in the field of group theory, but more well-known for her work in astronomy.

Also involved (with Jerzy Neyman) in the science of rainmaking by cloud seeding.
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#### December

##### Sergei Vasilovich Fomin (1917 – 1975)

Russian mathematician best known for his contribution towards the book *Introductory Real Analysis*.
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### 1918

#### February

##### Geoffrey Thomas Kneebone (1918 – 2003)

British mathematician who worked in geometry, set theory and mathematical logic.

Best known for his collaborative writings with John Greenlees Semple.
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#### May

##### Richard Phillips Feynman (1918 – 1988)

American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.
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##### Francis John Anscombe (1918 – 2001)

English statistician best known for emphasising the importance of randomisation.
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#### June

##### Carl-Erik Fröberg (1918 – 2007)

Swedish computer scientist and physicist.

One of the pioneers in the field of numerical analysis.
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#### July

##### Nicolaas Govert de Bruijn (1918 – 2012)

Dutch mathematician known for his contributions to analysis, number theory, combinatorics and logic.
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#### October

##### Abraham Robinson (1918 – 74)

German-American mathematician who is most widely known for development of non-standard analysis.
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#### December

##### Leon Mirsky (1918 – 1983)

Russian-born mathematician who worked mainly in the fields of number theory, linear algebra and combinatorics
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### 1919

##### Jacques Dutka (1919 – 2002)

American mathematician who was the first to calculate the square root of $2$ to more than one million digits.

Also wrote extensively on the history of mathematics.
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##### Harry Pollard (1919 – 1985)

American mathematician noted for his work in celestial mechanics and the $n$-body problem.
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#### February

##### Irene Ann Stegun (1919 – 2008)

American mathematician who took over the work of co-editing the *Handbook of Mathematical Functions* from Milton Abramowitz, who died in 1958 before the work was complete.
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#### April

##### Thomas James Willmore (1919 – 2005)

British mathematician best known for his work on differential geometry.
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##### Richard Friederich Arens (1919 – 2000)

German-born American mathematician who worked in the fields of functional analysis and topology.
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##### David Harold Blackwell (1919 – 2010)

American mathematician who focused mainly on statistics and game theory.
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#### May

##### Raymond Merrill Smullyan (1919 – 2017)

**Raymond Merrill Smullyan** (known as "Ray") was an American mathematician and logician, noted for the accessibility of his books on logic.

He also was a concert pianist and magician.
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#### August

##### Vladimir Abramovich Rokhlin (1919 – 1984)

Name in Russian: **Владимир Абрамович Рохлин**.

Noted for his work in topology.
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#### October

##### Gerhard Ringel (1919 – 2008)

German mathematician who was one of the pioneers in the field of graph theory.
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#### November

##### Hermann Bondi (1919 – 2005)

British-Austrian mathematician and cosmologist.

Best known for developing the steady state model of the universe with Fred Hoyle and Thomas Gold as an alternative to the Big Bang theory.

Contributed to the theory of general relativity and was the first to analyze the inertial and gravitational interaction of negative mass.
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#### December

##### Donald Kalish (1919 – 2000)

American logician, also known as an activist against the Vietnam war.
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##### Julia Hall Bowman Robinson (1919 – 1985)

American mathematician best known for her work on decision problems and Hilbert's Tenth Problem.

Born **Julia Hall Bowman**.
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##### Ian Naismith Sneddon (1919 – 2000)

British applied mathematician who is most noted for his work researching elasticity.
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### 1920

##### William Kay Smith (1920 – 2007)

American mathematician working in education and real analysis.
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#### January

##### Heinz Zemanek (1920 – 2014)

Austrian computer pioneer who led the development, from $1954$ to $1958$, of Mailüfterl ("May breeze"), one of the first completely transistorised computers in continental Europe.
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##### Isaac Asimov (1920 – 1992)

Russian-born professor of biochemistry, best known for his works of science fiction and for his popular science books.

One of the most hugely prolific and influential writers of all time.
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##### John Maynard Smith (1920 – 2004)

English theoretical evolutionary biologist and geneticist.

Originally an aeronautical engineer during the Second World War.

Instrumental in the application of game theory to evolution.
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#### March

##### Jerzy Maria Michał Łoś (1920 – 1998)

Polish mathematician, best known for his work on ultraproducts, in particular for Łoś's Theorem.
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#### August

##### Richard Ernest Bellman (1920 – 1984)

American applied mathematician, who introduced dynamic programming in 1953, and important contributions in other fields of mathematics.
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#### October

##### Carlton Edward Lemke (1920 – 2004)

American mathematician, working in Algebra, Mathematical Programming, Operations Research, and Statistics.

Also contributed to game theory.

Developed the dual simplex method in $1954$, independently from E.M.L. Beale.

With J.T. Howson, Constructed an algorithm in $1964$ for finding Nash equilibria the case of finite two-person games, for which he received the John von Neumann Theory Prize in $1978$.
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#### November

##### Claude Ambrose Rogers (1920 – 2005)

English mathematician who worked in analysis and geometry.
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##### Anthony Philip French (1920 – 2017)

English professor of physics whose main interest was undergraduate physics education.
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#### December

##### Kenneth Eugene Iverson (1920 – 2004)

Canadian computer scientist best known for his invention of the computer language APL.

Also known for the notation known as Iverson's convention.
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##### Victor Abramovich Zalgaller (b. 1920 )

Russian mathematician, working in the fields of geometry and optimization.

Best known for his results on convex polyhedra, linear and dynamic programming, isoperimetry, and differential geometry.
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## $1921$ – $1930$

### 1921

##### Marion Kirkland Fort, Jr (1921 – 1964)

**M. K. Fort, Jr.**, known as **Kirk**, was an American mathematician specialising in topology.
**show full page**

##### Robert Clay Prim (b. 1921 )

American mathematician working mainly in the field of computer science.
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#### March

##### Isaak Moiseyevich Yaglom (1921 – 1988)

**Исаа́к Моисе́евич Ягло́м** was a Soviet Russian mathematician whose wrote many popular works.

The twin brother of Akiva Moiseyevich Yaglom.
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##### Akiva Moiseyevich Yaglom (1921 – 2007)

**Аки́ва Моисе́евич Ягло́м** was a Soviet Russian physicist, mathematician, statistician, and meteorologist, best known for his contributions to the statistical theory of turbulence and theory of random processes.

The twin brother of Isaak Moiseyevich Yaglom.
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#### April

##### Leo Moser (1921 – 1970)

Austrian-Canadian mathematician best known for his work in number theory.
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##### Thomas Crombie Schelling (1921 – 2016)

American economist and professor of foreign policy, national security, nuclear strategy, and arms control.

An authority on game theory.
**show full page**

##### Leon Albert Henkin (1921 – 2006)

American logician best known for Henkin's Completeness Proof.
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#### May

##### Walter Rudin (1921 – 2010)

Austrian-born American mathematician best known for the widely-used college textbooks he wrote.
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#### June

##### Harry Jeannot Lipkin (b. 1921 )

American-born Israeli theoretical physicist specializing in nuclear physics and elementary particle physics.
**show full page**

##### Verner Emil Hoggatt Jr. (1921 – 1980)

American mathematician, known mostly for his work in Fibonacci numbers and number theory.

Founder of the Fibonacci Association.
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#### July

##### Oscar Wesler (1921 – 2013)

American mathematician who taught mathematics and probability theory courses.
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#### September

##### Yurii Mikhailovich Smirnov (1921 – 2007)

**Юрий Михайлович Смирнов** was a Russian mathematician who specialised in topology.
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##### Pierre Samuel (1921 – 2009)

French mathematician working mainly in the fields of commutative algebra and algebraic geometry.

A second-generation member of the Bourbaki group.

Best known (and greatly appreciated) for the books he wrote.

Politically active in the spheres of social justice and environmentalism.
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#### November

##### Gerd Edzard Harry Reuter (1921 – 1992)

**Harry Reuter** was a German-born mathematician who emigrated to Britain who worked mainly in the fields of probability theory and analysis.
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#### December

##### Angelo Margaris (1921 – 2006)

American mathematician best known for his textbook *First Order Mathematical Logic*.
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### 1922

##### Tudor Ganea (1922 – 1971)

Romanian mathematician, known for his work in algebraic topology, especially homotopy theory.
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##### Ben Noble (1922 – 2006)

British mathematician best known for his work in numerical analysis.
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#### January

##### Erwin O. Kreyszig (1922 – 2008)

German-Canadian applied mathematician best known for his text books.
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#### February

##### Cornelis Gerrit Lekkerkerker (1922 – 1999)

Dutch mathematician who worked on analytic and geometric number theory. Later he worked on topics in functional analysis.
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##### Ernst Gabor Straus (1922 – 1983)

German-American mathematician who helped found the theories of Euclidean Ramsey theory and of the arithmetic properties of analytic functions.

Worked as the assistant to Albert Einstein.
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#### March

##### Olga Aleksandrovna Ladyzhenskaya (1922 – 2004)

Russian mathematician known for her work on partial differential equations (especially Hilbert's nineteenth problem) and fluid dynamics.
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##### Patrick Colonel Suppes (1922 – 2014)

American philosopher who has written on a variety of subjects, including mathematics.
**show full page**

#### June

##### Friend Hans Kierstead, Jr. (1922 – 2008)

American mathematician who was the problem editor of the *Journal of Recreational Mathematics*.
**show full page**

##### Henry Andrew Kierstead (1922 – 1990)

American mathematician who contributed to the *Journal of Recreational Mathematics*.
**show full page**

#### November

##### George Brown Arfken (b. 1922 )

American theoretical physicist and author of several mathematical physics texts.
**show full page**

### 1923

##### Harvey Cohn (1923 – 2014)

American mathematician who majored in number theory.

Pioneered the use of computers for mathematical investigations.
**show full page**

#### January

##### Philip J. Davis (1923 – 2018)

American mathematician whose main work is in numerical analysis and approximation theory.
**show full page**

##### Maks Aizikovich Akivis (b. 1923 )

Russian mathematician who worked mainly in the fields of differential geometry and linear algebra.

Student of Israel Moiseevich Gelfand.
**show full page**

##### Gertrude Ehrlich (b. 1923 )

Austrian American mathematics professor working in algebra and abstract algebra.
**show full page**

#### March

##### Israel Nathan Herstein (1923 – 1988)

Polish-born mathematician who worked on a variety of areas of algebra, including ring theory.
**show full page**

#### April

##### George Spencer-Brown (1923 – 2016)

British mathematician, philosopher and crackpot best known for his book *Laws of Form*.

Made claims to the proofs of some famous hypotheses, but these were never validated.
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##### Peter John Hilton (1923 – 2010)

English mathematician best known for his work as a code-breaker at Bletchley Park during the Second World War, where he helped break the Lorenz cipher.

His academic interests lay in homotopy theory.
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#### July

##### Beauregard Stubblefield (1923 – 2013)

American mathematician who is best known for his investiations into odd perfect numbers.
**show full page**

#### August

##### William Judson LeVeque (1923 – 2007)

American mathematician and administrator who worked primarily in number theory.
**show full page**

##### John R. Myhill (1923 – 1987)

British mathematician working mainly in the field formal languages and mathematical logic.
**show full page**

##### Tom Mike Apostol (1923 – 2016)

American mathematician of Greek origin best known for his textbooks and skill as a teacher.
**show full page**

#### September

##### René Frédéric Thom (1923 – 2002)

French mathematician who worked as a topologist, then moved on to aspects of what would later be called singularity theory.

One of the founders of catastrophe theory.
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##### Peter Karl Henrici (1923 – 1987)

Swiss mathematician best known for his contributions to the field of numerical analysis.
**show full page**

##### Raoul Bott (1923 – 2005)

Hungarian-American mathematician known for numerous basic contributions to geometry.
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#### October

##### Murray Ralph Spiegel (1923 – 1991)

American mathematician whose main body of work consists of a series of technical books on applied mathematics.
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### 1924

##### David Borwein (b. 1924 )

Canadian mathematician of Lithuanian origin, best known for his research in the summability theory of series and integrals.

Also working in measure theory and probability theory, number theory, and approximate subgradients and coderivatives, and the properties of single- and many-variable sinc integrals.
**show full page**

##### Howard Raiffa (b. 1924 )

American mathematician who mainly works in game theory and economics.
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#### January

##### Paul Moritz Cohn (1924 – 2006)

German-born mathematician renowned as an expert in abstract algebra, in particular non-commutative rings.
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##### Michael James Lighthill (1924 – 1998)

British applied mathematician, known for his pioneering work in the field of aeroacoustics.
**show full page**

#### February

##### Steven Alexander Gaal (1924 – 2016)

Hungarian-American mathematician known for his writings on topology.
**show full page**

#### March

##### Peter Yff (b. 1924 )

American mathematician best known for Yff's Conjecture.
**show full page**

#### May

##### Eugene Borisovich Dynkin (b. 1924 )

Russian mathematician (**Евге́ний Бори́сович Ды́нкин**), whose work is in probability and algebra.
**show full page**

#### June

##### László Fuchs (b. 1924 )

Hungarian-American mathematician known for his research and textbooks in group theory and abstract algebra.
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#### July

##### David Roxbee Cox (b. 1924 )

British mathematician working mainly in the field of statistics.
**show full page**

#### November

##### Benoît B. Mandelbrot (1924 – 2010)

French-American mathematician of Polish origin famous for his work on fractals.

The Mandelbrot set is named for him.
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#### December

##### John Warner Backus (1924 – 2007)

American computer scientist, significantly involved in the development of several computer languages, including ALGOL and FORTRAN.

The metalanguage Backus-Naur Form (BNF) was named after him (who invented it) and Peter Naur (who refined it).
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##### Mary Ellen Rudin (1924 – 2013)

American topologist best known for creating counterexamples to conjectures in point-set topology, and especially for being the first person to construct a Dowker Space, disproving a long-standing conjecture.

Born **Mary Ellen Estill**, under which name she published several papers before her marriage.
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### 1925

##### Jun-iti Nagata (1925 – 2007)

Japanese mathematician specializing in topology.
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##### George Finlay Simmons (b. 1925 )

American mathematician who has worked in topology and classical analysis.

Renowned for both his teaching abilities and his first-class text books.
**show full page**

#### February

##### Erik Christopher Zeeman (1925 – 2016)

British mathematician known for his work in geometric topology and singularity theory.
**show full page**

#### March

##### Gordon Elliott Wall (b. 1925 )

Australian mathematician whose interests are in algebra and group theory.
**show full page**

##### Gabriel Andrew Dirac (1925 – 1984)

Swiss mathematician who mainly worked in graph theory.

Stepson of Paul Dirac and nephew of Eugene Wigner.
**show full page**

##### John Tate (b. 1925 )

American mathematician known for his contributions to algebraic number theory, algebraic geometry and arithmetic geometry.
**show full page**

#### May

##### Robert Duncan Luce (b. 1925 )

American mathematician known for his work in game theory and economics.
**show full page**

##### George Leitmann (b. 1925 )

American control theorist considered one of the leading authorities in optimal control theory and its applications.
**show full page**

#### July

##### Harold William Kuhn (1925 – 2014)

American mathematician who studied game theory.
**show full page**

### 1926

##### Bert Mendelson (1926 – 1988)

American mathematician best known for his textbook *Introduction to Topology*.
**show full page**

##### Ernest Tilden Parker (1926 – 1991)

American mathematician best known for disproving Euler's Conjecture on Orthogonal Latin Squares with Sharadchandra Shankar Shrikhande and Raj Chandra Bose.
**show full page**

##### John C. Shepherdson (b. 1926 )

Professor emeritus at the University of Bristol, England.

Co-designer (with Howard E. Sturgis) of the Unlimited Register Machine, a refinement of the Turing machine.
**show full page**

#### January

##### Peter Hagis, Jr. (1926 – 2018)

American mathematician working in number theory.

Best known for his work establishing the lower bound of odd perfect numbers.
**show full page**

##### Donald John Lewis (1926 – 2015)

American mathematician specializing in number theory.
**show full page**

##### Gaisi Takeuti (1926 – 2017)

Japanese mathematician specialising in logic and set theory.
**show full page**

#### February

##### James Alexander Green (1926 – 2014)

Scottish mathematician who worked in the field of representation theory.
**show full page**

#### March

##### Martin Shubik (b. 1926 )

American economist, who is Professor Emeritus of Mathematical Institutional Economics at Yale University.
**show full page**

#### April

##### Robert Lawson Vaught (1926 – 2002)

American mathematician who mainly worked in mathematical logic, and was one of the founders of model theory.
**show full page**

#### May

##### Peter David Lax (b. 1926 )

Hungarian-born American mathematician working in the areas of pure and applied mathematics.

Made important contributions to integrable systems, fluid dynamics and shock waves, solitonic physics, hyperbolic conservation laws, and mathematical and scientific computing, among other fields.
**show full page**

#### June

##### Claude Jacques Roger Berge (1926 – 2002)

French mathematician who is considered to be one of the modern founders of combinatorics and graph theory.
**show full page**

#### July

##### John Leech (1926 – 1992)

English mathematician working in number theory, geometry and combinatorial group theory.

Discovered the $3$rd Hardy-Ramanujan number $\operatorname{Ta} \left({3}\right)$ in $1957$.

Best known for his discovery of the Leech lattice in $1965$.
**show full page**

##### Edward McWilliam Patterson (1926 – 2013)

English mathematician whose research included the study of recurrent tensor fields, ring theory and Lie algebras.
**show full page**

##### Hilary Whitehall Putnam (1926 – 2016)

American mathematician and philosopher, who has written significantly on various subjects, such as the philosophy of logic and language acquisition.
**show full page**

#### August

##### Richard C. Jeffrey (1926 – 2002)

American mathematician who mainly worked in logic and probability theory.
**show full page**

#### September

##### Jean-Pierre Albert Achille Serre (b. 1926 )

French mathematician who has made contributions to algebraic topology, algebraic geometry, and algebraic number theory.
**show full page**

#### October

##### Michio Suzuki (1926 – 1998)

Japanese mathematician who studied group theory.
**show full page**

### 1927

##### Nesmith Cornett Ankeny (1927 – 1993)

American mathematician specialising in number theory.
**show full page**

##### Robert Gardner Bartle (1927 – 2003)

American mathematician specializing in real analysis.

Best known for his text books.
**show full page**

##### Reuben Hersh (b. 1927 )

American mathematician best known for his writings on the philosophy of mathematics.
**show full page**

##### Richard S. Pierce (1927 – 1992)

American mathematician who mainly worked in abstract algebra.
**show full page**

#### February

##### Masayoshi Nagata (1927 – 2008)

Japanese mathematician who worked mainly in the field of commutative algebra.
**show full page**

##### John Lewis Selfridge (1927 – 2010)

American mathematician who contributed to the fields of analytic number theory, computational number theory and combinatorics.

Proved in $1962$ that $78 \ 557$ is a Sierpiński number of the second kind.

Conjectured (with Wacław Franciszek Sierpiński) that it is also the smallest. This still has not been proven (see Sierpiński Problem).
**show full page**

#### March

##### Joseph Steven Madachy (1927 – 2014)

American research chemist, technical editor and recreational mathematician.
**show full page**

#### April

##### Michel André Kervaire (1927 – 2007)

French mathematician who made significant contributions to topology and algebra.
**show full page**

#### May

##### Serge Lang (1927 – 2005)

French-American mathematician known for his work in number theory, and for the mathematics textbooks he wrote.

Member of the Bourbaki group.
**show full page**

#### June

##### Benjamin Franklin Logan (1927 – 2015)

American electrical engineer and bluegrass music fiddler.

Corresponded with Donald E. Knuth, with whom he exchanged insights.
**show full page**

#### October

##### Friedrich Ernst Peter Hirzebruch (1927 – 2012)

German mathematician, working in the fields of topology, complex manifolds and algebraic geometry.
**show full page**

#### December

##### Adrianus Johannes Wilhelmus Duijvestijn (1927 – 1998)

Dutch computer scientist and mathematician best known for finding the Smallest Perfect Square Dissection.
**show full page**

### 1928

##### Wendell Helms Fleming (b. 1928 )

American mathematician specializing in geometrical analysis and stochastic differential equations.
**show full page**

##### Harold Seymour Shapiro (b. 1928 )

American mathematician best known for inventing the Shapiro polynomials and for pioneering work on quadrature domains.
**show full page**

##### Abner Shimony (1928 – 2015)

American physicist and philosopher of science specializing in quantum theory.
**show full page**

#### January

##### Joseph Bernard Kruskal (b. 1928 )

**Joseph Bernard Kruskal, Jr.** is an American mathematician working in the fields of statistics, computer science and graph theory, among others.
**show full page**

#### March

##### Ray Alden Kunze (1928 – 2014)

American mathematician whose research concerned the representation theory of groups and noncommutative harmonic analysis.
**show full page**

##### Martin David Davis (b. 1928 )

American mathematician working mainly in the field of mathematical logic.
**show full page**

##### Paulo Ribenboim (b. 1928 )

Brazilian-Canadian mathematician who specializes in number theory.
**show full page**

##### Alexander Grothendieck (1928 – 2014)

Sometimes rendered **Alexandre Grothendieck**.

German-born mathematician of semi-Ukrainian ancestry who is usually credited with creating the modern field of algebraic geometry.

His collaborative seminar-driven approach had the result of making him one of the most influential thinkers of the 20th century.
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#### April

##### Thomas Andrew Lehrer (b. 1928 )

**Tom Lehrer** was a mathematics lecturer at the University of California, Santa Cruz.

Far better known for his brief but successful musical career.
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#### May

##### Sergey Nikitovich Mergelyan (1928 – 2008)

Armenian mathematician mainly working in Approximation Theory.
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#### June

##### John Forbes Nash (1928 – 2015)

American mathematician who made fundamental contributions to game theory, differential geometry, and the study of partial differential equations
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##### Iain Thomas Arthur Carpenter Adamson (1928 – 2010)

Scottish mathematician best known for his work in field theory.
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##### Wolfgang Haken (b. 1928 )

German mathematician mainly involved in topology where the bulk of his work has been on 3-dimensional manifolds.

In $1976$, along with Kenneth Ira Appel, proved the Four Color Theorem with the help of a computer.
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#### July

##### Jürgen Kurt Moser (1928 – 1999)

German mathematician mainly involved in dynamical systems.
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##### Louis Auslander (1928 – 1997)

Prolific American mathematician who worked in many fields, including Finsler geometry, geometry of solvmanifolds and nilmanifolds, locally affine spaces, many aspects of harmonic analysis, representation theory of solvable Lie groups, and multidimensional Fourier transforms and the design of signal sets for communications and radar.
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##### Errett Albert Bishop (1928 – 1983)

American mathematician known for his work on expanding the scope of constructive analysis.
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##### Harvey Alan Dubner (b. 1928 )

American engineer and mathematician specializing in the mathematics of casino games and finding large primes.

Invented the point-count method for gaining an advantage in blackjack.
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##### James Harold McKay (b. 1928 )

American mathematician best known for his work in group theory.
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#### August

##### Henry W. Gould (b. 1928 )

American mathematician whose research has been in combinatorial analysis, number theory, special functions of mathematical physics, and the history of mathematics and astronomy.
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#### September

##### Evelyn Martin Lansdowne Beale (1928 – 1985)

English applied mathematician and statistician who was one of the pioneers of mathematical programming.
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##### Donald G. Higman (1928 – 2006)

American mathematician noted for his discovery of the Higman-Sims Group, with Charles C. Sims.

His work contributed towards the discovery of several of the sporadic simple groups.
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##### Halsey Lawrence Royden (1928 – 1993)

American mathematician specialising in complex analysis, Riemann surfaces and differential geometry.
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#### October

##### Ian Grant Macdonald (b. 1928 )

English mathematician known for his contributions to symmetric functions, special functions, Lie algebra theory and other aspects of algebraic combinatorics.
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##### Donald Bruce Gillies (1928 – 1975)

Canadian mathematician and computer scientist.

In $1963$, discovered the $21$st, $22$nd and $23$rd Mersenne primes with the aid of the ILLIAC II computer. The largest of these ($2^{11 \, 213} - 1$) was reported in the Guinness Book of Records and immortalised on all mail sent from the postroom of the University of Illinois.
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##### Peter Naur (1928 – 2016)

Danish astronomer, computer scientist and empirical philosopher who was significantly involved in the development of ALGOL.

The metalanguage Backus-Naur Form was named after John Warner Backus (who invented it) and him (who refined it), but would rather it were called **Backus Normal Form**.
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### 1929

##### Hans Ivar Riesel (1929 – 2014)

Swedish mathematician who found the $18$th Mersenne prime $2^{3217} - 1$ in $1957$.

He held the record for the highest known prime from $1957$ to $1961$, when Alexander Hurwitz found the next two.
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##### Frank Tapson (b. 1929 )

English mathematician, teacher and game enthusiast who published much material useful for teaching.

Also the creator of several online educational resources.
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#### April

##### Michael Francis Atiyah (1929 – 2019)

English mathematician specialising in geometry.
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#### August

##### Anthony James Merrill Spencer (1929 – 2008)

English mathematician working mainly in the field of material mechanics.
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#### October

##### Regina Iosifovna Tyshkevich (b. 1929 )

**Регина Иосифовна Тышкевич** is an expert in graph theory.

Her main scientific interests include intersection graphs, degree sequences, and the reconstruction conjecture.

Also known for co-inventing split graphs and for her contributions to line graphs of hypergraphs.
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### 1930

##### Martin Schechter (b. 1930 )

American mathematician whose work concerns mathematical analysis (specifically partial differential equations and functional analysis, and their applications to mathematical physics)
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#### February

##### Erwin Engeler (b. 1930 )

Swiss mathematician whose main work has been in mathematical logic and computer science.
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#### March

##### Nobuo Yoneda (1930 – 1996)

Japanese mathematician and computer scientist who worked in category theory and homological algebra.
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#### May

##### Edsger Wybe Dijkstra (1930 – 2002)

Hugely influential Dutch pioneer of computer science.
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#### June

##### Edward John Lemmon (1930 – 1966)

Usually known as **John Lemmon**. Best known as a writer on logic, particularly modal logic.
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##### Robert John Aumann (b. 1930 )

German-born Israeli-American mathematician noted for his work on conflict and cooperation through game-theory analysis.
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##### Reinhold Remmert (b. 1930 )

German mathematician whose work has mainly been in developing the theory of complex spaces.
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#### July

##### Donald J. Newman (1930 – 2007)

American mathematician active in the fields of Complex Analysis, Number Theory and Approximation Theory.

Best known for his elementary proof of the Prime Number Theorem.
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#### August

##### James Raymond Munkres (b. 1930 )

American mathematician and author of *Topology*, one of the most popular undergraduate topology textbooks.
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##### Richard Merett Montague (1930 – 1971)

American mathematician and logician.

Proved that ZFC must contain infintely many axioms.
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#### October

##### Walter Feit (1930 – 2004)

Austrian-born American mathematician who worked in finite group theory and representation theory.
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##### John Rolfe Isbell (1930 – 2005)

American mathematician best known for his work in topology and category theory.

Also published under the pseudonyms John Rainwater, M.G. Stanley and H.C. Enos.
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#### November

##### Norman Woodason Johnson (b. 1930 )

American mathematician best known for enumerating all $92$ convex non-uniform polyhedra with regular faces.
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##### John David Brillhart (b. 1930 )

American mathematician known for his work in integer factorization, including the development of the continued fraction factorization method.

Has been a principal participant in the Cunningham project.
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