Career
Becoming in 1847 proprietor of Louisiana Revue indépendante, he was implicated in the Revolution of 1848 and sentenced to two years" imprisonment. He fled the country and during the next fifteen years lived abroad, chiefly in Italy. In 1858 he turned his attention to ethnological research, making a special study of the Swiss lake-dwellings.
He returned to Paris in 1864, and soon afterwards was appointed curator of the museum at Street Germain.
Mortillet used artifact types to distinguish periods and named them after sites (Chelléenne, Moustérienne, Solutréenne, Magdalénienne, Robenhausienne). He believed that they were universal stages.
I.e. unilineal evolution. He became mayor of the town, and in 1885 he was elected deputy for Seine-et-Oise.
He had an infamous leading role in conservative and stiff rejecting Sautuola"s discovery of the paintings in Altamira as the original work of palaeolithic manitoba
He had meantime founded a review, Matériaux pour l"histoire positive et philosophique de l"homme, and in conjunction with Broca assisted to found the French School of Anthropology. He died at Street Germain-en-Laye on 25 September 1898.