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
Harry Warner their own film production company. They named their new company Warner Features. Once Warner Features was established, Harry acquired an office in New York with his brother Albert, sending Sam and Jack to run the new corporation's film exchange divisions in San Francisco and Los Angeles. In 1917, Harry won more capital for the studio when he was able to negotiate a deal with Ambassador James W. Gerard to make Gerard's book "My Four Years In Germany" into a film. In 1918, after the success of "My Four Years In Germany", the brothers were able to establish a studio near