1923
Born in New York
1940–1943
Studied art at the Art Students League, New York
1943–1946
Military service in the Second World War
1946–1949
Continued studies at Ohio State University, master's degree
1952–1957
Worked as a commercial artist in Cleveland
Late 1950s
Developed his own pop art style, influenced by advertising and comics
1960–1964
Teaching positions, including at Rutgers University
1962
Breakthrough with the exhibition The New Realists at the Leo Castelli Gallery, New York
1968 & 1977
Participation in the documenta in Kassel
From 1966
Participation in the Venice Biennale
1970s–1980s
Expansion of his work to include sculptures and prints
Late 1980s
Creation of his famous series ‘Brushstrokes’
1995
Awarded the Kyoto Prize
1996
Honorary doctorate from George Washington University
1997
Died in New York