From Wikipedia, the free encyclopedia. Joseph Leo Mankiewicz (11 February 1909 – 5 February 1993) was an American film director, screenwriter, and producer. Mankiewicz had a long Hollywood career and is best known as the writer-director of the Oscar-winning All About Eve (1950). He was brother to screenwriter and drama critic Herman J. Mankiewicz who also won an Oscar for co-writing Citizen Kane (1941).
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