Borel, Félix Édouard Émile (fālēksˈ ādwärˈ āmēlˈ bôrĕlˈ) [key], 1871–1956, French mathematician. He is noted for his work in infinitesimal calculus and the calculus of probabilities. He was professor at the Univ. of Paris (1904–41), director of the Henri Poincaré Institute (from 1927), and a representative in the French chamber of deputies (1924–36).
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