In the latest instalment of the brilliant series Every Frame a Painting (click here for previous instalments), Tony Zhou explains The Art of the Gag by the original master of visual comedy, Buster Keaton. With traces of his work in everything from the shots of Wes Anderson, the physicality of Jackie Chan, and the body language of Bill Murray, you’ve seen Buster Keaton even if you think you haven’t. So how did he do it and why is he so influential? Watch (and learn) below!