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
Albert Warner Semenenko, Jack officially joined Semenenko's syndicate and bought back all his stock, which consisted of 200,000 shares. The deal officially completed in July. Now the company's largest stockholder, Jack appointed himself as the new company president. By the time Harry and Albert learned of their brother's subterfuge, it was too late. Albert read about Jack's dealings while spending time in New York City. He never spoke to Jack again, but he did later rejoin the company's board of directors to stop Jack "from stealing the stockholders blind". Albert Warner died of a stroke in 1967 in Miami Beach. A funeral