Peter Max, known for groovy art that came to symbolize the 60s, dies at 88 ↧ ↧ Peter Max, known for groovy art that came to symbolize the 60s, die... Pop artist Peter Max, whose dreamy, boldly colored works provided an artistic backdrop for the 1960s U.S. hippie movement and made him a commercial art powerhouse, died on Monday at the age of 88 following a long illness, a spokesperson for his family said on Wednesday.