what job in film did both Hampton Del Ruth and Frank Pierson share?
Hampton Del Ruth: Hampton Del Ruth (September 7, 1879 – May 15, 1958) was an American film actor, director, screenwriter, and film producer. Frank Pierson: Frank Romer Pierson (May 12, 1925 – July 22, 2012) was an American screenwriter and film director.
American screenwriter and film director