A celebrated French Egyptologist, born in Figeac, dep. of Lot; early gave himself to the study of Coptic and Egyptian antiquities; was the first to decipher the hieroglyphics of ancient Egypt, a great discovery; conducted a scientific expedition to Egypt in 1828, and returned in 1830 with the fruits of his researches; a chair of Egyptology was in consequence instituted in the College of France, and he was installed as the first professor; his writings on the science, of which he laid the foundation, are numerous (1790-1832).