Mack Sennett (January 17, 1880 - November 5, 1960) was an innovator of slapstick comedy in film. During his lifetime he was known at times as the "King of Comedy." Wikipedia
The definitive Wikipedia entry for Mack Sennett. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Mack_Sennett
His parents were Irish immigrants. At 17, his parents moved to East Berlin, Connecticut, and he became a laborer at American Iron Works, a job he continued when they moved to Northampton, Massachusetts. He happened to meet the actress Marie Dressler in 19 www.imdb.com/name/nm0784407/