Jean-Louis Koszul

Jean-Louis Koszul (French: [kɔzyl]; born January 3, 1921) is a French mathematician best known for studying geometry and discovering the Koszul complex. He was a second generation member of Bourbaki.

Koszul was educated at the Lycée Fustel-de-Coulanges in Strasbourg before studying at the Faculty of Science in Strasbourg and the Faculty of Science in Paris. He has lectured at many universities and was appointed professor in the Faculty of Science at Grenoble in 1963. He is a member of the French Academy of Sciences.

Koszul is the cousin of the French composer Henri Dutilleux, and the grandchild of the composer Julien Koszul.

Koszul married Denise Reyss-Brion on July 17, 1948. They had three children: Michel, Bertrand, and Anne.