Leonard Baskin (1922–2000) was an American sculptor, illustrator, wood-engraver, printmaker, graphic artist, writer and teacher. His prints and limited edition books influenced generations of artists, printers, and binders. See some of his artwork here. See his graphic and book designs here.
References
“The Administration: Philatelic Fury.” Time, July 21, 1967.
“Postal ‘Hippie’ Art Is Going Over Big with Hippies Here.” New York Times, July 16, 1967.
Russem, Michael. Postage Stamps by AIGA Medalists. Cambridge, MA: Kat Ran Press, 2013.