Isadore "Dore" Schary (August 31, 1905 – July 7, 1980) was an American playwright, director, and producer for the stage and a prolific screenwriter and producer of motion pictures. He directed one feature film, Act One, the film biography of his friend, playwright and theater director Moss Hart. He became head of production at Metro-Goldwyn-Mayer and replaced Louis B. Mayer as president of the studio in 1951. Source: Wikipedia (en)