Mathematician:János Bolyai

Hungarian mathematician who was one of the founders of non-Euclidean geometry. Son of Farkas Bolyai.

Nationality
Hungarian

History

 * Born: 15 December 1802 in Kolozsvár, Hungary (now Cluj, Romania)
 * Died: 27 January 1860 in Marosvásárhely, Hungary (now Târgu-Mureş, Romania)

Theorems and Definitions

 * Gauss-Bolyai-Lobachevsky Space (independently of Carl Friedrich Gauss and Nikolai Ivanovich Lobachevsky)

Books and Papers

 * 1832: Appendix to Tentamen by Farkas Bolyai