This is a comprehensive career study and filmography of Mack Sennett, cofounder of Keystone Studios, home of the Keystone Kops and other vehicles that showcased

"From its founding in 1912, the short-lived Keystone Film Company - home of the frantic, bumbling Kops and Mack Sennett's Bathing Beauties - made an indelible m

From its founding in 1912, the short-lived Keystone Film Company—home of the frantic, bumbling Kops and Mack Sennett's Bathing Beauties—made an indelible ma

From its founding in 1912, the short-lived Keystone Film Company—home of the frantic, bumbling Kops and Mack Sennett's Bathing Beauties—made an indelible ma

While comedy writers are responsible for creating clever scripts, comedic animators have a much more complicated problem to solve: What makes a physical charact