Wikipedia viewed 19 May 2014 (Alvan "Hap" Hadley (March 16, 1895 – August 4, 1976) was an American artist specializing in pen and ink representations of popular subjects. He created movie posters for Charlie Chaplin and Buster Keaton, as well as promotional posters for the Ringling Bros. and Barnum & Bailey Circus and billboards for Roy Rogers.)