From Wikipedia, the free encyclopedia.
Henri Chrétien (February 1, 1879 - February 6, 1956) was a French astronomer and an inventor. Born in Paris, France, his moust famous invention is the anamorphic wide-screen process, that resulted in CinemaScope, and the co-invention (with George Willis Ritchey) of the Ritchey-Chrétien type of astronomical telescope.
The astronomical Chrétien International Research Grants awards are in honor of him.
