1939
Born on 2 November in San Francisco
1957-1961
Studied at the University of California in Berkeley and Santa Barbara and graduated with a Bachelor's degree in English literature.
1961-1964
Studied at Yale University in New Haven/Connecticut, graduating with a Bachelor's and Master's degree in Fine Arts.
1964-1965
One-year stay in Paris
1966
One-year stay in Florence and first solo exhibition at the Galleria La Salita in Rome
1967
Begins to work with industrial materials
1970
Travelled to Japan and took part in the Tokyo Biennale
1972 and 1977
Exhibits at documenta in Kassel
1991
Receives the Wilhelm Lehmbruck Prize for Sculpture in Duisburg
1992
Receives the German art prize Kaiserring of the city of Goslar
1994
Receives Praemium Imperale for sculpture
2004
Awarded the Golden Lion at the Venice Biennale
2014
Receives the Alexej von Jawlensky Prize
2024
Died in New York on 26 March at the age of 85