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 the judge rejected the D.A.'s motion that Capp agree to undergo psychiatric treatment. The resulting publicity led to hundreds of papers dropping his comic strip, and Capp, already in failing health, withdrew from public speaking. Celebrity biographer James Spada has claimed that similar allegations were made by actress Grace Kelly. However, no firsthand allegation has ever surfaced. "From beginning to end, Capp was acid-tongued toward the targets of his wit, intolerant of hypocrisy, and always wickedly funny. After about 40 years, however, Capp's interest in "Abner" waned, and this showed in the strip itself," according to Don Markstein's "Toonopedia". On