(San Mateo, 25 June 1923 – 4 November 1994)
He studied botany, medicine and psychology at the University of California, Berkeley.
He served in the United States Air Force during World War II before being injured in an accident.
When he returned to Berkeley he continued his art studies attending the School of Arts, where he was student of Clifford Still.
His painting was characterized by a full freedom of structures with impressionistic traces.
Later he inserted himself into the current of abstract expressionism and then of American action painting.