Jack M. Warner Jack M. Warner Jack Milton Warner (March 27, 1916 – April 1, 1995) was an American film producer and son of legendary Hollywood movie mogul Jack L. Warner. Jack M. Warner was born on March 27, 1916, the only child of Irma C. ("née" Salomon) and Jack L. Warner (1892-1978). His father co-founded the film studio Warner Bros. with his brothers Harry Warner (1881–1958), Albert Warner (1884–1967), and Sam Warner (1887–1927). According to the federal census of 1930, Jack—then 14 years old—lived with his mother and father in "Beverly Hills City", California, along with five live-in servants, who performed the
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