Keystone Studios was an early movie studio founded in Edendale, California (which is now a part of Echo Park) on July 4, 1912 as the Keystone Pictures Studio by Mack Sennett (1880-1960) with backing from actor-writer Adam Kessel (1866-1946)[1] and Charles O. Baumann (1874-1931), owners of the New York Motion Picture Company (founded 1909).[2][3] The company filmed in and around Glendale and Silver Lake, Los Angeles, California for several years, and its films were distributed by the Mutual Film Corporation between 1912 and 1915.[4]