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Darwin Correspondence Project

Joseph Louis François (Joseph) Bertrand


French mathematician. Doctorate in mathematics, École polytechnique, Paris, 1839. Professor of elementary mathematics, Collège Saint-Louis, 1841–8. Tutor in analysis at the École polytechnique, 1844; professor, 1856–95. Permanent secretary, Académie des sciences, 1874. Worked in several areas including the theory of curved surfaces, probability, and the theory of errors.


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