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DENNIS LEAVES FOR THE NAVY 04-23-44  Benny had been only a minor vaudeville performer, but 
he became a national figure with The Jack Benny Program, a weekly radio show which ran from 
1932 to 1948 on NBC and from 1949 to 1955 on CBS. It was consistently among the most highly
rated programs during most of that run.oldtimeradiodvd.com