Richard Diebenkorn, Ocean Park #79, 1975. Oil on canvas, 93 x 81 inches. Philadelphia Museum of Art, Purchased with a grant from the National Endowment for the Arts and with funds contributed by private donors, 1977. ©The Estate of Richard Diebenkorn
Diebenkorn's Ocean Park series, which extended over many years, put landscape into a set of geometric relationships: planes which align, or not, across a terrain. The etching below, #6, 1978 is like a working drawing for a landscape painting, even one as traditional as Berkeley #23 of 1955.
Richard Diebenkorn, #6 from Six Softground Etchings, 1978; etching, 39 7/8 in. x 25 7/8 in. (101.28 cm x 65.72 cm); Collection SFMOMA, Purchase; © Richard Diebenkorn Foundation; photo: Don Ross
Richard Diebenkorn, Berkeley #23, 1955; oil on canvas, 62 in. x 54 3/4 in. (157.48 cm x 139.07 cm); Collection SFMOMA, Gift of the Women's Board; © Richard Diebenkorn Foundation