'Banjo Fred" Starner, economics professor and banjo-playing folk singer who documented hobo music and culture. He served as a singer and deckhand on the first crew of the sloop Clearwater, launched by Pete Seeger in 1969 to travel New York's Hudson River and spread the gospel of environmentalism.
http://www.latimes.com/news/obituaries/la-me-fred-starner11-2009nov11,0,6825066.storyPS- During the 80's I lived near Drew Univ, in Madison, NJ, where Starner was a professor.