Émile Boutroux
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Étienne Émile Marie Boutroux was a French philosopher of science and a historian of philosophy. He was a firm opponent of materialism in science. He was a spiritualist philosopher who defended the ide
Émile Boutroux
Boutroux and his wife, 1917 Autochrome by Auguste Léon
Henri Poincaré
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Jules Henri Poincaré was a French mathematician, theoretical physicist, engineer, and philosopher of science. He is often described as a polymath, and in mathematics as "The Last Universalist", since
Émile Boutroux
…of Letters at the University of Nancy, and while there, he fell in love with and married Aline Poincaré, the sister of the scientist and mathematician Henri Poincaré. In 1880, his son, Pierre, was born. Pierre Boutroux was himself to become a distinguished mathematician and historian of science. In 1888, Boutroux…
Plaque on the birthplace of Henri Poincaré at house number 117 on the Grande Rue in the city of Nancy
The young Henri Poincaré in 1887 at the age of 33
The Poincaré family grave at the Cimetière du Montparnasse
Marie Curie and Poincaré talk at the 1911 Solvay Conference.