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
Jack MacGowran Jack MacGowran John Joseph "Jack" MacGowran (13 October 1918 – 31 January 1973) was an Irish actor, probably best known for his work with Samuel Beckett. His last film role was as the alcoholic director Burke Dennings in "The Exorcist" (1973). MacGowran was born on 13 October 1918 in Dublin. He established his professional reputation as a member of the Abbey Players in Dublin, while he achieved stage renown for his knowing interpretations of the works of Samuel Beckett. He appeared as Lucky in "Waiting For Godot" at the Royal Court Theatre, and with the Royal Shakespeare Company in "Endgame"