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.
Nils Granlund Nils T. Granlund (September 29, 1890–April 21, 1957) was an American show producer, entertainment industry entrepreneur and radio industry pioneer. He was a publicist for Marcus Loew who formed Loews Theatres and Metro-Goldwyn-Mayer (MGM). Although his name was actually Nils Theodore Granlund, he later used Thor as a middle name, and after appearing on early radio was commonly referenced only by his initials, N.T.G., on the air and in print.