Augustin-Louis Cauchy
was born 228 years ago
21st August 1789

Augustin-Louis Cauchy pioneered the study of analysis, both real and complex, and the theory of permutation groups. He also researched in convergence and divergence of infinite series, differential equations, determinants, probability and mathematical physics.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Cauchy.html