Claim: Richard Alden "Rick" Griffin (born on June 18, 1944 in Palos Verdes, California and an Inkpot Awardee) was an American artist and one of the leading designers of psychedelic posters in the 1960s and a contributor to the underground comix movement.
Evidence: Richard Alden "Rick" Griffin (June 18, 1944 – August 18, 1991) was an American artist and one of the leading designers of psychedelic posters in the 1960s. As a contributor to the underground comix movement, his work appeared regularly in Zap Comix. Richard Alden Griffin
(1944-06-18)June 18, 1944
Palos Verdes, California, U.S. Inkpot Award (1976)