Conversation so far:
When did Rogers Morton begin Rogers Morton's congressional career?
Morton moved to the Eastern Shore of Maryland in the early 1950s.
What party was he?
Morton decided to challenge Democratic incumbent Thomas Francis Johnson of Maryland's 1st congressional district.
Did he win?
Johnson, who was reeling from a political scandal, lost to Morton in the general election.

Question: How long did he serve?
Self-contained rewrite: How long did Rogers Morton serve?