Began working in radio when just in his teens.
Charter member of the American Federation of Television and Radio Artists (AFTRA).
Elected to the Radio Hall of Fame in 1995.
He and his second wife, Alice, hosted a breakfast radio talk-show entitled "The Tremaynes".
He became so popular on 1940s radio that one poll cited him as one of the three most famous voices in America, along with Franklin D. Roosevelt and Bing Crosby.
Portrayed by actor Michael Brandon in "Me and Orson Welles" (2009).