Mathematician:Napoleon Bonaparte

Mathematician
Amateur French mathematician also famous as a military and political leader of France (in the same way that Henry Tudor was an amateur singer/songwriter whose hits included Greensleeves).

Nationality
French

History

 * Born: 15 August 1769
 * Died: 5 May 1821

Theorems and Definitions

 * Napoleon's Theorem
 * Napoleon Triangle
 * Napoleon's Problem

Also known as
Interestingly, he at least as well known under his given name Napoleon as he is for his surname Bonaparte.