Hedy Lamarr (1914-2000), actress and inventor. Mathematically talented,she and composer George Antheil invented an early technique for spread spectrum communications and frequency hopping, necessary for wireless communication from the pre-computer age to the present day.
Ruth Elizabeth "Bette" Davis (April 5, 1908 – October 6, 1989) - she was one of American cinema's most celebrated leading ladies, known for her forceful and intense style. In 1999, Davis was placed second, after Katharine Hepburn, on the American Film Institute's list of the greatest female stars of all time.
Her first directing job came when the director of the 1949 film, "Not Wanted," fell ill. In 1950, Ida directed the film, "Outrage" which dealt with the then controversial subject of rape. In 1953, she was the first woman to direct a film noir, "The Hitch-Hiker." During the 1950s, Lupino remained one of the only female directors in Hollywood, and was only the second woman to be inducted into the Director's Guild.