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 Harry Samuel Sir Harry Simon Samuel (1853–1934) was an English Member of Parliament for Limehouse and then Norwood in London. He was an advocate of protection in trade and he campaigned against free trade during his political career. Henry Samuel was born in Marylebone, London on 3 August 1853. He was educated at Eastbourne College and then St John's College, Cambridge, Cambridge, where he received a Bachelor of Arts. He became a partner in the firm of Montefiore & Company. Samuel retired from business to enter politics with the Unionist party and, in 1889, he became a prospective candidate in