In this short 1959 article by Robert de Roos, the silent film comedian Buster Keaton (1895 – 1966) looks back some 39 years at one of the great comedic scenes in film history:
"The longest, loudest laugh in movie history exploded in theaters all over the world in 1920. That colossal, eruptive, cumulative bellow of laughter closed a two reel silent comedy called HARD LUCK, starring that master of slapstick and deadpan pantomime, Buster Keaton."