Larry Bell in his studio in Venice, California, 1969. Image courtesy of Malcolm Lubliner and Craig Krull Gallery, Santa Monica. © Malcolm Lubliner

Poster for John Baldessari exhibition Pure Beauty at Molly Barnes Gallery in Los Angeles, 1968. © John Baldessari. The Getty Research Institute, 890164.87

Ed Ruscha and Joe Goode on horseback. Exhibition catalogue cover for the Fine Arts Patrons of Newport Harbor at the Balboa Pavillion Gallery, 1968. Image courtesy of Jerry McMillan and Craig Krull Gallery, Santa Monica. © Jerry McMillan

Craig Kauffman, ca. 1955. © The Estate of Craig Kauffman. Photo by Ed Moses

Ed Moses painting on the floor of his studio, ca. 1955. Image courtesy of Ed Moses

Ed Moses working on a resin painting on the floor of his studio in the early 1970s. Image courtesy of Ed Moses

Sam Francis working in his studio in Santa Monica, California, 1971. Image courtesy of Malcolm Lubliner and Craig Krull Gallery, Santa Monica. © Malcolm Lubliner

Exhibition announcement for Broxton Sequences: Sequential Imagery in Photography, at Broxton Gallery, 1976. The Getty Research Institute, Gift of Hal Glicksman, 2009.M.5.5. Courtesy of Gagosian Gallery

Betye Saar viewing her etchings at a group exhibition in at the Palos Verdes Library Gallery in Palos Verdes, California, June 4, 1961. Photo by Richard Saar. Image courtesy of Betye Saar

Poster for the exhibition War Babies at Huysman Gallery in Los Angeles, May 29–June 17, 1961. Poster created by Jerry McMillan and Joe Goode. Photo © Jerry McMillan. Design © Joe Goode. The Getty Research Institute, 2006.M.1.5. Image courtesy of Jerry McMillan and Craig Krull Gallery, Santa Monica

Betye Saar at her home and studio, 1972. Photo by Lezley Saar. Image courtesy of Betye Saar

Edward Kienholz in 1958. Image courtesy of Marvin Silver and Craig Krull Gallery. © Marvin Silver

Peter Voulkos, John Mason, and Paul Soldner at Otis Art Institute (now called Otis College of Art and Design) in Los Angeles, 1956. Image courtesy of Soldner Enterprises and Stephanie Soldner Sullivan

Walter and Shirley Hopps at Ice Boxes in Malibu, California, 1955. Photo by Edmund Teske, gelatin silver print. The J. Paul Getty Museum, 95.XM.86. © Edmund Teske Archives/Lawrence Bump and Nils Vidstrand

Several Los Angeles artists at Culture Day at LACMA (L.A. County Museum of Art), 1968. Photo by and © Julian Wasser.