Richard Diebenkorn in his studio in Ocean Park, Santa Monica, in 1980. Photo: Kurt Edward Fishback © 1980

Richard Diebenkorn's studio in Ocean Park, Santa Monica.

Richard Diebenkorn in his studio in Ocean Park, Santa Monica, in 1984. Photo: Leo Holub © The Estate of Leo Holub

Richard Diebenkorn in his studio in Ocean Park, Santa Monica. Photo: Frank J. Thomas, courtesy of the Frank J. Thomas Archives.

Richard Diebenkorn and curator George Neubertin his studio in Ocean Park, Santa Monica, in 1977

Richard Diebenkorn's studio in Ocean Park, Santa Monica, in 1977

Richard Diebenkorn at the Venice Biennale with "Ocean Park #48" (1971) and "Ocean Park #105" (1978), Venice, Italy, in 1978. © Richard Diebenkorn Foundation