In 1947, he was elected as a [[U.S. Representative]]. As a Congressman from [[California]], and as a member of the [[House Committee on Un-American Activities]], he investigated Communists and instigated the successful prosecution of [[Alger Hiss]], accused of espionage for spying for the Soviet Union during [[World War II]]. | In 1947, he was elected as a [[U.S. Representative]]. As a Congressman from [[California]], and as a member of the [[House Committee on Un-American Activities]], he investigated Communists and instigated the successful prosecution of [[Alger Hiss]], accused of espionage for spying for the Soviet Union during [[World War II]]. |