Mathematician:Augustin Louis Cauchy


 * French Engineer and mathematician, from a suburb of Paris, which at the time was home to many leading mathematicians.
 * Wrote seven books and more than 700 papers in various fields of mathematics.
 * Made contributions in theory of determinants, eigenvalues, ordinary and partial differential equations, permutation groups, and the foundation of calculus.
 * Famous for founding the theory of functions of a complex variable.

Nationality
French

History

 * Born: 1789
 * Died: 1857


 * Cauchy was a devout Roman Catholic, also strongly devoted to the Bourbon kings who ruled France after Napoleon's defeat. When Charles X was exiled in 1830, Cauchy willingly followed the former king into exile in Prague.

Theorems

 * Cauchy's Group Theorem
 * Cauchy's Inequality