Who has written for more films, Colin Campbell or John Gilbert?
Colin Campbell (director):  He also wrote for 60 films between 1911 and 1922. John Gilbert (actor): John Gilbert (born John Cecil Pringle; July 10, 1899 – January 9, 1936) was an American actor, screenwriter and director. John Gilbert (actor):  He rose to fame during the silent film era and became a popular leading man known as "The Great Lover". John Gilbert (actor):  At the height of his career, Gilbert rivaled Rudolph Valentino, another silent film era leading man, as a box office draw.
i don't know