Peter Max, the psychedelic pop artist known for his vibrant, dreamlike works that became emblematic of the 1960s American counterculture, died on Monday at the age of 88 after a prolonged illness, according to a family representative.

Born Peter Max Finkelstein in Berlin in 1937 to a Jewish family, Max and his parents fled Nazi Germany, first seeking refuge in Shanghai before settling in Haifa, Israel, in 1948. During his three and a half years living in Israel, he learned Hebrew, took painting lessons, and observed Jewish customs, experiences he credited with shaping both his identity and artistic vision. Max later reflected on the influence of Jewish communities in Shanghai, Israel, and Brooklyn on his life and work.

Max’s art, celebrated for its psychedelic color schemes and surreal imagery, became a defining visual hallmark of the 1960s and 1970s youth culture in the United States. His signature motifs—cosmic landscapes, starbursts, peace symbols, butterflies, and floral patterns—evoked the “flower power” era and captured the spirit of the psychedelic movement. His works also included portraits of prominent rock musicians such as the Beatles, Jimi Hendrix, and Mick Jagger, as well as political figures and world leaders.

During the height of his career, Max achieved significant commercial success by licensing his designs across a wide range of products, including airliners, cruise ships, apparel, and everyday household items. He embraced this commercial approach as a means of making art accessible to a broader audience and rejected criticism that labeled him a sellout. Max argued that media visibility was essential for artists in the modern era and cited artists like Henri Matisse and Pablo Picasso as comparable in pursuing commercial opportunities if alive today.

After a period of relative quiet in the late 1970s, Max returned to public prominence with a New York gallery show in 1987 and continued to evolve artistically, incorporating more impressionistic elements. Over his career, he served as the official artist for five Super Bowls, the 1994 FIFA World Cup, the 2006 U.S. Winter Olympic team, and the 2000 Kentucky Derby. He also executed large-scale commercial projects, including painting a Boeing 777 for Continental Airlines, a Norwegian Cruise Line ship, and a NASCAR race car driven by Dale Earnhardt.

Operating a sizable studio in New York that employed over 100 people in the 2000s, Max’s enterprise generated annual sales estimated between $80 million and $100 million. His art reached numerous audiences through venues ranging from cruise ship auctions to cable shopping networks. Max remained proud of his cultural impact, noting former President Bill Clinton’s fondness for his posters, which adorned Clinton’s college dormitory and later appeared in the Clinton Presidential Library.

Max’s legacy endures as a prominent figure who bridged fine art and popular culture, leaving behind an enduring visual imprint on American art and the countercultural movements of the 20th century.