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

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

Artists outside the Ferus Gallery in Los Angeles, 1959. Clockwise from top: Billy Al Bengston, Irving Blum, Ed Moses, and John Altoon. Photo by William Claxton. Courtesy Demont Photo Management, LLC.

Irving Blum with Andy Warhol's Campbell's Soup Cans at the Ferus Gallery in Los Angeles, 1962. Photo by William Claxton. Courtesy Demont Photo Management, LLC.

Poster for Karl Benjamin exhibition at the Esther-Robles Gallery in Los Angeles, 1964. © Karl Benjamin. The Getty Research Institute, Gift of Michael Asher, 2009.M.30.12

Ed Ruscha in his studio at 1024 3/4 N. Western Avenue in Hollywood, California, 1970. Image courtesy of Billy Al Bengston. Photo © Larry Bell

Llyn Foulkes stands by his work Flanders (1960–62) at the opening of his solo exhibition at the Pasadena Art Museum, September 18, 1962. Image courtesy of and © Llyn Foulkes

John Altoon smoking, ca. 1963. Image courtesy of Larry Bell. Photo by Dennis Hopper and © The Dennis Hopper Trust

Betty Asher and Henry Hopkins in front of Ed Ruscha's painting The Los Angeles County Museum on Fire (1965–68), ca. late 1960s. © Ed Ruscha. The Getty Research Institute, Betty Asher Papers, Gift of Michael Asher, 2009.M.30

Vija Celmins in her studio in Venice, California, 1966. Photo by Tony Berlant. Art © Vija Celmins

Mary Corse working in downtown Los Angeles in 1966. Image courtesy of and © Mary Corse

Mary Corse working in downtown Los Angeles in 1966. Courtesy of and © Mary Corse

Poster for the exhibition New Painting of Common Objects at the Pasadena Art Museum, 1962. Wood-type letterpress on paper. 42 3/8 x 28 in. Image courtesy of the Ed Ruscha Studio

Billy Al Bengston’s studio on Mildred Street in Venice, California, 1970. Image courtesy of and © Billy Al Bengston

Ron Miyashiro in front of one of his paintings, ca. 1961. Courtesy of the artist and the Hammer Museum, Los Angeles. © Ron Miyashiro