Harry Warner on making only dramas for the studio. The studio rebounded in 1921 with the success of the studio's film "Why Girls Leave Home"; The film's director, Harry Rapf, became the studio's new head producer. On April 4, 1923, following the success of the studio's film "The Gold Diggers", Warner Bros. Pictures, Inc. was officially established, with help from a loan given to Harry by Montly Flint. Harry became company president, with Albert as treasurer and Jack and Sam as co-heads of production. Harry and his family moved to Hollywood. The studio discovered a trained German Shepherd named Rin Tin Tin
Jack L. Warner the film's success at the box office, Harry Warner remained concerned about the economic threat presented by the Edison Trust. He subsequently broke with Laemmle and sent Jack to establish a film exchange in San Francisco, while Sam did the same in Los Angeles. The brothers were soon poised to exploit the expanding California movie market. In 1917, Jack was sent to Los Angeles to open another film exchange company. Their first opportunity to produce a major film came in 1918, when they purchased the film rights for "My Four Years in Germany", a bestselling novel that condemned German wartime