Charles Vidor from Hungary, and American Fred Niblo, were both pioneering figures in which industry at the early 20th century?
Charles Vidor: Charles Vidor (July 27, 1900June 4, 1959) was a Hungarian film director. Fred Niblo: Fred Niblo (January 6, 1874 – November 11, 1948) was an American pioneer film actor, director and producer.
i don't know