Jules Halfant designed a record for which American folk singer-songwriter?
Jules Halfant:  From 1953 to 1988 Jules Halfant was Art Director of Vanguard Records where he designed albums featuring Joan Baez, Tom Paxton, Country Joe and the Fish, Buffy Sainte-Marie and many other musicians. Tom Paxton: Thomas Richard Paxton (born October 31, 1937) is an American folk singer-songwriter who has had a music career spanning more than fifty years.
Tom Paxton