Fred Hellerman (born May 13, 1927, Brooklyn, New York) is an American folk singer, guitarist, producer and song writer, primarily known as one of the members of The Weavers, together with Pete Seeger, Lee Hays, and Ronnie Gilbert. Fred is also known for producing the record album Alice's Restaurant (1967) for Arlo Guthrie.
http://en.wikipedia.org/wiki/Fred_Hellerman