Wikipedia 10K Redux by Reagle from Starling archive. Bugs abound!!!
Mack Sennett is the inventor of the slapstick comedy. He was a singer, dancer, clown, actor, set designer and director for Biograph, and founded Keystone together with Adam Kessel. Many important actors were discovered by him and started their career at Keystone. Those include CharlieChaplin, BenTurpin, FattyArbuckle, Laurel and Hardy, GloriaSwanson and many more