Installation view of Ronald Davis's Dodecagons and Cubes series at Nicholas Wilder Gallery in Los Angeles, 1969. Image courtesy of Ronald Davis

Nicholas Wilder and Ken Tyler in 1968. Image courtesy of Malcolm Lubliner and Craig Krull Gallery, Santa Monica. © Malcolm Lubliner

Wallace Berman and the LAPD vice squad at Ferus Gallery, 1957. The Getty Research Institute, Charles Brittin papers, 2005.M.11.8. © J. Paul Getty Trust. Photo by Charles Brittin

ASCO and Los Four opening reception at the Point Gallery in Los Angeles, 1975. ©1975, Harry Gamboa, Jr.

Arthur Richer and Wallace Berman at Syndell Studio in Los Angeles, 1957. Richer’s art is in the background. The Getty Research Institute, Charles Brittin papers, 2005.M.11.16. © J. Paul Getty Trust. Image courtesy of Lauri Richer. Photo by Charles Brittin

Hard Edge group exhibition with works by Ronald Davis and Judy Chicago at Rolf Nelson Gallery in Los Angeles, May 1964. The Getty Research Institute, Gift of Rolf G. Nelson, 2010.M.38.2

Announcement for the exhibition Come and See at the Rolf Nelson Gallery in Los Angeles, June 14–July 23, 1965. The Getty Research Institute, Gift of Rolf G. Nelson, 2010.M.38.1

Announcement for Jack Goldstein exhibition at the Mizuno Gallery in Los Angeles, November 1972. © Jack Goldstein Estate. The Getty Research Institute, Gift of Riko Mizuno, 2010.M.84.1

Announcement for Dead Man performance by Chris Burden at the Mizuno Gallery in Los Angeles, November 12, 1972. © Chris Burden. The Getty Research Institute, Gift of Riko Mizuno, 2010.M.84.4

Poster for Vija Celmins exhibition at David Stuart Galleries in Los Angeles, February 28-March 26, 1966. © Vija Celmins. The Getty Research Institute, Gift of Michael Asher, 2009.M.30.13

Exhibition announcement for Action²: Works by West Coast Painters, at the NOW Gallery inside the Turnabout Theatre in Los Angeles, September 5–25, 1956. Robert Alexander, designer. Letterpress on paper mounted on cardboard. The Getty Research Institute, Charles Brittin papers, 2005.M.11.15. Courtesy of the Temple of Man, Inc.

Poster for Joe Goode exhibition at Dilexi Gallery in Los Angeles, 1963. The Getty Research Institute, Gift of Michael Asher, 2009.M.30.15. Image courtesy of Jerry McMillan and Craig Krull Gallery, Santa Monica. © Jerry McMillan

Robert Alexander, John Reed, Wallace Berman, Juanita Dixon, and Walter Hopps in the alley next to Ferus Gallery in Los Angeles, ca. 1957. The Getty Research Institute, Charles Brittin papers, 2005.M.11.9. © J. Paul Getty Trust. Photo by Charles Brittin

Temporary closure sign at Ferus Gallery in Los Angeles, 1957. The Getty Research Institute, Charles Brittin papers 2005.M.11.11. © J. Paul Getty Trust. Photo by Charles Brittin

Wallace Berman's assemblage Temple in his exhibition at the Ferus Gallery in Los Angeles, 1957. The Getty Research Institute, Charles Brittin papers, 2005.M.11.12. © J. Paul Getty Trust. Photo by Charles Brittin