French physicist, brother of Raymond Poincaré; born at Bar-le-Duc on the 22nd of July 1862. After a distinguished academic career he became in succession inspector-general of physical science in 1902, director of secondary education at the Ministry of Public Instruction in 1910, director of higher education in 1914 and rector of the Académie de Paris in 1917. In that capacity he received President Wilson at the Sorbonne on the occasion of his visit to Paris for the Peace Conference. He died in Paris on the 9th of March 1920. He is the author of La Physique moderne (1906) and L’Électricité (1907).
