Jack Leonard "J. L." Warner (August 2, 1892 – September 9, 1978), born Jacob Warner in London, Ontario, was a Canadian-born American film executive who was the president and driving force behind the Warner Bros. Studios in Hollywood, Los Angeles, California. Warner's career spanned some forty-five 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...
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Jack Leonard "J. L." Warner (August 2, 1892 – September 9, 1978), born Jacob Warner in London, Ontario, was a Canadian-born American film executive who was the president and driving force behind the Warner Bros. Studios in Hollywood, Los Angeles, California. Warner's career spanned some forty-five 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...