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Lebesgue, Henri Leon (1875-1941) |
 | | Lebesgue graduated from the École Normale Supériere and, from 1921, taught at the College de France. |
 | | He and Emile Borel founded the modern theory of functions of a real variable, Lebesgue's great contribution being his new general definition of an integral (1902), which became known as the Lebesgue integral (see integration). |
 | | Although the Lebesgue integral was an example of the power of generalization, Lebesgue himself wasn't a fan of generalization and spent the rest of his life working on very specific problems, mostly in analysis. |
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