Conversation so far:
When did Jack start performing?
Benny had been a minor vaudeville performer before becoming a national figure with The Jack Benny Program, a weekly radio show that ran from 1932.
What did he do in the Jack Benny Program?
The Jack Benny Program, a weekly radio show that ran from 1932 to 1948 on NBC and from 1949 to 1955 on CBS.
What was the show about?
CANNOTANSWER.

Question: What else can you tell me about his history?
Self-contained rewrite: What else other than the Jack Benny Program can you tell me about Jack Benny's history?