Henri Cartan
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Henri Paul Cartan was a French mathematician who made substantial contributions to algebraic topology.
Henri Cartan in 1968
During the "Cartan celebration", at Orsay in 1975.
Nicolas Bourbaki
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Nicolas Bourbaki is the collective pseudonym of a group of mathematicians, predominantly French alumni of the École normale supérieure. Founded in 1934–1935, the Bourbaki group originally intended to
Henri Cartan
…several fields across algebra, geometry and analysis, focusing primarily on algebraic topology and homological algebra. He was a founding member of the Bourbaki group in 1934 and one of its most active participants. After 1945 he started his own seminar in Paris, which deeply influenced Jean-Pierre Serre, Armand…
Charles-Denis Bourbaki, 19th-century general and namesake of the collective
Gaston Julia (right), who was not a member of Bourbaki, lost his nose during World War I. The war created a lost generation of mathematical knowledge, which the Bourbaki founders sought to fill.
Sign marking the official founding of Bourbaki in Besse-en-Chandesse
First book of the Éléments de mathématique, 1970 edition