Mathematician:Jules Henri Poincaré

Full name: Jules Henri Poincaré.

French mathematician and philosopher.

Often referred to as "The last universalist", as he was the last one able to master the whole of mathematics at the time. (Since then the field has grown too large.)

Introduced the field of special relativity.

Nationality
French

History

 * Born: 29 April 1854
 * Died: 7 July 1912

Theorems and Definitions

 * Poincaré Conjecture (now proven)
 * Poincaré Group