Mines ParisTech
In 1863 he went to Paris, and taught analytical chemistry at the École des Mines de Paris (now the Mines ParisTech), the Ecole Centrale des Arts et Manufactures (now the École Centrale Paris), and the École supérieure de physique et de Chimie industrial de la ville de Paris from 1882 until his death. Through these years he taught and was active in research, especially in the field of organic chemistry.