Jack L. Warner Jack L. Warner Jack Leonard "J. L." Warner (August 2, 1892 – September 9, 1978), born Jacob Warner in London, Ontario, was a Jewish Canadian-American film executive who was the president and driving force behind the Warner Bros. Studios in Burbank, California. Warner's career spanned some 45 years, its duration surpassing that of any other of the seminal Hollywood studio moguls. As co-head of production at Warner Bros. Studios, he worked with his brother, Sam Warner, to procure the technology for the film industry's first talking picture. After Sam's death, Jack clashed with his surviving older brothers, Harry and Albert
Harry Samuel parliament with a 1778 majority in the Norwood constituency, a seat he then held until he retired as a MP at the 1922 election. He was appointed a member of the Privy Council in 1916. He was also a Freeman of the City of London and a member of the Cooper's Company. In 1878, he married Rose Beddington. They had four children: three sons and one daughter. His daughter Nora married Percy de Worms (1873–1941). He died on 26 April 1934 at Villa Alexandra in Monte Carlo aged 80. Harry Samuel Sir Harry Simon Samuel (1853–1934) was an English Member