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Alan Hale Sr. (born Rufus Edward Mackahan; February 10, 1892 – January 22, 1950) was an American movie actor and director, most widely remembered for his many supporting character roles, in particular as a frequent sidekick of Errol Flynn, as well as films supporting Lon Chaney, Wallace Beery, Douglas Fairbanks, James Cagney, Clark Gable, Cary Grant, Humphrey Bogart and Ronald Reagan, among dozens of others. Hale was born Rufus Edward Mackahan in Washington, D.C. He studied to be an opera singer and also had success as an inventor. Among his innovations were a sliding theater chair (to allow spectators to slide back to admit newcomers rather than standing), the hand fire extinguisher, and greaseless potato chips.