John Guedel, (Oct. 9, 1913, Portland, Indiana – Dec. 14, 2001, Los Angeles, California) was a radio and television producer who co-created and produced Art Linkletter's andGroucho Marx's most important and successful broadcast properties, including You Bet Your Life and People Are Funny. He also created The Adventures of Ozzie and Harrietand is sometimes credited with the first singing radio commercial in 1937.

Earlier in his career, he wrote for Hal Roach Studios, including work on the Laurel and Hardy and Our Gang series.

Source: Wikipedia