Mathematician:Francis Guthrie

Mathematician
English-born, later South African, mathematician and botanist, who is best known in the field of mathematics for posing the Four Color Theorem in $1852$.

Nationality
English, later South Africam

History

 * Born: 22 January 1831 in London
 * Died: 19 October 1899 in Claremont, Cape Town

Theorems and Definitions

 * Four Color Theorem (proposing it as a conjecture)