Mathematician:Jakob Steiner

Swiss mathematician who worked extensively (and mainly) in geometry.

He made an important contribution to combinatorics with his Steiner system, a kind of block design.

Nationality
Swiss

History

 * Born: 18 March 1796, Utzenstorf, Bern, Switzerland.
 * Died: 1 April 1863, Bern, Switzerland.

Theorems and Definitions

 * Steiner System
 * Steiner Surface
 * Steiner's Problem
 * Steiner Tree Problem
 * Steiner Chain
 * Poncelet-Steiner Theorem (with Jean-Victor Poncelet)
 * Parallel Axes Theorem (also known as the Huygens-Steiner Theorem, with Christiaan Huygens)
 * Steiner-Lehmus Theorem (with C.L. Lehmus)
 * Steiner Inellipse

Books and Papers

 * 1826: Einige geometrische Betrachtungen
 * 1832: Systematische Entwicklung der Abhangigkeit geometrischer Gestalten voneinander
 * 1833: Die geometrischen Constructionen ausgeführt mittels der geraden Linie und eines festen Kreises
 * 1848: Allgemeine Eigenschaften algebraischer Curven
 * 1867: Vorlesungen über synthetische Geometrie (posthumous)
 * 1867: Vorlesungen über synthetische Geometrie (posthumous)