Pop artist Peter Max, whose dreamy, boldly colored works provided an artistic backdrop for the 1960s US hippie movement and made him a commercial art powerhouse, died on Monday at the age of 88. Peter Max, the artist whose vibrant, psychedelic paintings helped define the visual style of the 1960s, has died at age 88. Max died Monday, Sept. 14, in Manhattan, his son Adam Max confirmed. Peter Max, whose colorful, psychedelic pop art expressed the optimism of the “flower power” movement of the 1960s and graced everything from postage stamps to a cruise ship, has died at 88. NEW YORK — Peter Max, whose colorful, psychedelic pop art expressed the optimism of the “flower power” movement of the 1960s and graced everything from postage stamps to a cruise ship, has. Pop artist Peter Max, whose cheery psychedelic creations helped define the counterculture aesthetic in the 1960s, died on Monday, US media reported. I see everything through rainbow eyes, he once. With work that breathed the spirit of the 1960s, he became fabulously wealthy from licensing his paintings and posters in all their euphoric Day-Glo glory. Peter Max, whose psychedelic and cosmic paintings became synonymous with the flower power movement in the 1960s, has died after years with dementia. Peter Max died Monday September 14 at a hospital in Manhattan. He was 88. His son Adam Max confirmed the death Wednesday. He had long suffered from dementia. No other cause was given. Born Peter Max Finkelstein in Berlin in 1937 to a Jewish family that fled Nazi Germany and spent a decade in. Peter Max, whose colorful, psychedelic pop art expressed the optimism of the 'flower power' movement of the 1960s, has died. He was 88. The artist Peter Max has died at age 88. Max was known for colorful, psychedelic pop art that expressed the optimism of the “flower power” movement of the 1960s and graced everything from postage stamps to a cruise ship.