1944 Born in Berkeley, California
1963-64 Attends San Francisco Arts Institute
1969 Moves to New York City
1972 Acquires land in Hiko, Nevada, where he works and resides
2016 Whitney Museum of American Art, New York, NY
2015 Gagosian Gallery, New York, NY
2012 Los Angeles County Museum of Art, Los Angeles, CA
2010 David Zwirner, New York, NY
Nohra Haime Gallery, New York, NY
2008 El Sourdog Hex, Berlin, Germany
2006 PaceWildenstein, New York, NY
Works from the 70s. Jablonka Galerie, Cologne, Germany
2003 Peter Freeman, Inc., New York, NY
1998 Knoedler & Co. New York, NY
1996 Prada Foundation, Milan, Italy
1994 Ace Gallery, New York, NY
1990 Waddington Galleries, London, England
1989 Akira Ikeda Gallery, Tokyo, Japan
1988 M. Knoedler & Co., New York, NY
1985 Whitney Museum of Art, New York, NY
1984 Museum of Contemporary Art, Los Angeles, CA
1983 Oil & Steel Gallery, New York, NY
1980 St. Louis Art Museum, St. Louis, MN
1979 Rijksmuseum Kroller-Muller, Otterlo, Holland
1977 Galerie Am Promenadeplatz, Munich, Germany
1976 Xavier Fourcade Inc., New York, NY
1974 Fourcade Droll Inc., New York, NY
1971 Detroit Institute of Arts, Detroit, MI
1970 Dwan Gallery, New York, NY
1969 Galerie Heiner Friedrich, Munich, Germany
1993 General Services Administration, Reno, NV, "Perforated Object #27 and Rings"
1992 Sheldon Memorial Art Gallery, Lincoln, NE, "Prismatic Flake Geometric"
1991 Menil Collection, Houston, TX, "Charmstone"
1989 Houston, TX, private commission, "Adze"
1984 The family of George and Alice Brown, Houston, TX, "45,90,180"
1983-85 Ottawa Silica Company Foundation, Ottawa, IL, "Effigy Tumuli Sculpture"
1982 Commissioned for IBM Building, New York, NY, "Levitated Mass"
Rockefeller Development Corporation, Los Angeles, CA, "North, East, South, West"
1980 Oakland Museum, Oakland, CA, "Platform"
1979 Metropolitan Museum of Art, New York, NY, "Guennette"
1976-80 State of Michigan, "This Equals That"
1976 City of Seattle, WA, "Adjacent, Against, Upon"