"Jack Benny became one of the most influential entertainers of the 20th century--by being the top radio comedian, when the comics ruled radio, and radio was the most powerful and pervasive mass medium in the US. In 23 years of weekly radio broadcasts, by aiming all the insults at himself, Benny created Jack, the self-deprecating "Fall Guy" character. He indelibly shaped American humor as a space to enjoy the equal opportunities of easy camaraderie...