Conversation so far:
Who was Bert Bell?
Bert Bell was the National Football League commissioner from 1946 until his death in 1959.
Did Bert Bell become the owner of the team in Philadelphia?
Bert Bell was an assistant coach for the Temple Owls and a co-founder and co-owner of the Philadelphia Eagles.
Did Philadelphia Eagles win any games?
Yes

Question: Did he move to any other teams?
Self-contained rewrite: Did Bert Bell move to any other teams?