Source : Buster Keaton, Charles Samuels (2015). “My Wonderful World Of Slapstick”, p.369, Pickle Partners Publishing
Buster Keaton
Charlie Chaplin
Actor
Clyde Bruckman
Writer
D. W. Griffith
Film director
Groucho Marx
Comedian
Harold Lloyd
Actor
Jimmy Durante
Singer
Oliver Hardy
Comic
Stan Laurel
Actor
Roscoe Arbuckle
Film actor