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
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
Henri Cartan
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Henri Paul Cartan was a French mathematician who made substantial contributions to algebraic topology.
Nicolas Bourbaki
…of French mathematicians; as a result, young university instructors were forced to use dated texts. While teaching at the University of Strasbourg, Henri Cartan complained to his colleague André Weil of the inadequacy of available course material, which prompted Weil to propose a meeting with others in Paris…
Henri Cartan in 1968
During the "Cartan celebration", at Orsay in 1975.