Key figure in the American folk music movement of the 1960s. He wrote "Daydream Believer," The Monkees' smash hit from 1967.
He became a member of The Kingston Trio after the departure of founder Dave Guard in 1961. He was a member of the Trio until they disbanded in 1967.
He married Buffy Ford Stewart. His brother was We Five founder Michael Stewart.
He worked with Stevie Nicks on his popular album Bombs Away Dream Babies from which emerged Gold, the 1979 #5 hit.