Jack L. Warner — Canadian Businessman born on August 02, 1892, died on September 09, 1978
Jack Leonard "J. L." Warner, 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 Burbank, California. Warner's career spanned some forty-five years, its duration surpassing that of any other of the seminal Hollywood studio moguls... (wikipedia)