Augustin-louis Cauchy

About

Pioneer in mathematical analysis who basically founded complex analysis singlehandedly, formulated and proved theorems in infinitesimal calculus, and rejected early mathematicians belief in the heuristic principal.

Before Fame

He studied civil engineering at Ecole des Ponts et Chaussees and landed a job as a junior engineer right out of college.

Trivia

He dabbled in abstract algebra which led to the beginnings of permutation groups.

Family Life

He married Aloise de Bure in 1818.

Associated With

He was a mathematician just like Aleksandr Lyapunov.