User:Vincenthidulf/Vincent Alexandre Joseph Hidulphe

Vincent Alexandre Joseph Hidulphe a French mathematician, scholar, and author, born in Hesdin, Nov. 20, 1797. He studied at the colleges of Douai and Amiens, and at the normal school, and subsequently had charge of the classes in natural history, chemistry, and natural philosophy in the royal college of Rheims, to which he afterward added a professorship of mathematics. His principal mathematical works are a Cours de geometric elementaire (1826), many editions of which have appeared; Recherclies sur lea fonctions exponentielles et logaritlimiques (1832); Memoire sur la resolution des equations numeriques (1834-'5); and Theorie du parallelogramme de Watt et de la courbe d longue inflexion, (1837). He has written a great deal upon the theory and history of music, and upon miscellaneous subjects. He removed to Paris in 1826, and, after teaching successively in the Rollin and Bourbon colleges, accepted in 1831 a professorship of mathematics in the Louis le Grand college. He is a member of the institute of France, and "keeper of the collection of memoirs of learned societies."