Al Capp veterans returning from the war. Capp was also involved with the Sister Kenny Foundation, which pioneered new treatments for polio in the 1940s. Serving in his capacity as honorary chairman, Capp made public appearances on its behalf for years, contributed free artwork for its annual fund-raising appeals, and entertained crippled and paraplegic children in children's hospitals with inspirational pep talks, humorous stories and sketches. In 1940, an RKO movie adaptation starred Granville Owen (later known as Jeff York) as Li'l Abner, with Buster Keaton taking the role of Lonesome Polecat, and featuring a title song with lyrics by Milton Berle.
Al Capp University of Wisconsin-Eau Claire, Capp was arrested and tried for indecent exposure and sodomy. He was fined $500, and his career and reputation were ruined. Two biographies, one about Goldie Hawn and the other about Grace Kelly, describe Capp as trying to force Hawn and Kelly into sex. Like many cartoonists, Capp made extensive use of assistants (notably Andy Amato, Harvey Curtis, Walter Johnson and Frank Frazetta). During the extended peak of the strip, the workload grew to include advertising, merchandising, promotional work, public service comics and other specialty work—in addition to the regular six dailies and one Sunday strip