Elie de Beaumont, Jean Baptiste Armand Louis Leonc
Geologist, born Canon, near Caen, France , 1798 ; died there, 1874 . With Dufrenoy he published a geological map of France which required 18 years for its completion and was an important event in the development of geology in that country. He became general inspector of mines and received many honors in recognition of his scientific achievements. His work on the age and origin of mountain systems was of great value.