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
Back Stage (1923 film) starting with "Dogs of War". Back Stage (1923 film) Back Stage is a 1923 silent "Our Gang" silent short subject comedy film that is the 13th entry to be released. The gang meets up with the head of a vaudeville troupe, who enlist them to help him out when his co-stars have abandoned him. They manage to make a complete wreck of the act, and Jack and Joe's bugs get loose in the auditorium, putting the audience into an itching frenzy. This was the 13th and final film to be released in the original contract. Another contract was written and