Michel Chasles
died 137 years ago
18th December 1880

Michel Chasles worked on algebraic and projective geometry. He wrote Aperçu historique sur l'origine et le développement des méthodes en géométrie (1837) which is still an important historical reference.

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