This article is about Jack Warner, the head of Warner Brothers. For other people named Jack Warner, see
Jack Warner (disambiguation). Jack "J.L." Warner (
August 2,
1892 –
September 9,
1978), born John Leonard Warner in
London, Ontario,
Canada of a
Polish-
Jewish family, was the president and driving force behind the highly successful development of
Warner Brothers Studios in
Hollywood,
Los Angeles,
California.
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