Iconic screen prints on canvas with hand embellishment hand signed by American Pop Artist & protégé of Andy Warhol, Steve Kaufman. BID NOW on Charitybuzz. Steve Alan Kaufman (December 29, 1960 - February 12, 2010) was a true great American pop artist and former assistant to Andy Warhol, who gave Steve Kaufman the nickname "SAK" using the initials of Steve's name. Steve Kaufman in his day-to-day life embodied and delivered the true American pop art experience. He painted iconic people, historical figures, and products significant in our daily lives. He was an artistic journalist who commented on both history and current events with his art. Steve Kaufman advanced the use of the silkscreen process, and was most widely recognized for his use of vivid colors and hand embellishment. Steve was very prolific -- he would paint on just about anything!