Mathematician:Wilhelm Johann Eugen Blaschke

Mathematician

Austrian differential and integral geometer.

Published one of the first books devoted to convex sets: Kreis und Kugel.

Made a thorough review of the subject with citations within the text to attribute credit in a classical area of mathematics.

Nationality

Austrian

History

• Born: 13 September 1885 in Graz, Austria-Hungary (now Austria)
• Died: 17 March 1962 in Hamburg, Germany

Theorems and Definitions

• Blaschke Product
• Blaschke Selection Theorem
• Blaschke-Lebesgue Theorem (with Henri Léon Lebesgue) (also known as Blaschke's Theorem)
• Blaschke-Santaló Inequality (with Luís Antoni Santaló Sors)
• Blaschke Condition
• Blaschke Conjecture

Results named for Wilhelm Johann Eugen Blaschke can be found here.

Publications

• 1916: Kreis und Kugel ("Circle and Sphere")
• 1921 -- 1929: Vorlesungen über Differentialgeometrie (3 vols.):

Vol. 1: Elementare Differentialgeometrie

Vol. 2: Affine Differentialgeometrie

Vol. 3: Differentialgeometrie der Kreise und Kugeln

• 1938: Geometrie der Gewebe (with G. Bol)
• 1938: Ebene Kinematik
• 1942: Nicht-Euklidische Geometrie und Mechanik I, II, III
• 1948: Zur Bewegungsgeometrie auf der Kugel
• 1950: Einführung in die Differentialgeometrie
• 1951: Mathematik und Leben
• 1953: Griechische und anschauliche Geometrie
• 1954: Projektive Geometrie
• 1954: Analytische Geometrie
• 1955: Einführung in die Geometrie der Waben
• 1955: Vorlesungen über Integralgeometrie
• 1960: Kinematik und Quaternionen

Also known as

Some sources give his surname (probably erroneously) as Blashke.

Sources

• John J. O'Connor and Edmund F. Robertson: "Wilhelm Johann Eugen Blaschke": MacTutor History of Mathematics archive

• 1991: David Wells: Curious and Interesting Geometry ... (previous) ... (next): A Chronological List Of Mathematicians