Henry Takemoto and Peter Voulkos in front of Takemoto's mural at Otis Art Institute in Los Angeles, 1959. Image courtesy of Henry Takemoto

An exhibition at Billy Al Bengston’s Artist Studio, with works by Ed Ruscha, Peter Alexander, and John McCracken, 1970. Image courtesy of Billy Al Bengston

Exterior view of the Ferus Gallery during the exhibition of Edward Kienholz's installation Roxy's, 1962. Photo by William Claxton. Courtesy Demont Photo Management, LLC.

Ken Price with student work at the University of Southern California, Los Angeles, 1956. Image courtesy of the Ken Price Studio

Ken Price at a party in Los Angeles in 1965. Image courtesy of Ken Price Studio

Ken Price firing works for his Curio Store at the home of Dennis Hopper in Taos, New Mexico, 1973. Photo by Happy Price. Image courtesy of the Ken Price Studio

John McCracken in his studio in Costa Mesa, California, in the mid-1960s. Photo by Frank J. Thomas. Courtesy of the Frank J. Thomas Archives

Robert Irwin, ca. 1967. Photo by Frank J. Thomas. Courtesy of the Frank J. Thomas Archives

Larry Bell, Billy Al Bengston, and Ken Price outside Hotel Caesars in Tijuana, Mexico, 1968. Image courtesy of Larry Bell

Exterior view of Larry Bell's studio on Market Street in Venice, California, ca. 1970. Image courtesy of and © Larry Bell

Installation view of Craig Kauffman's solo exhibition at the Pasadena Art Museum, including works from Kauffman's Loops series, 1970. Photo by Frank J. Thomas. Courtesy of the Frank J. Thomas Archives

Installation view of Ken Price's sculptures in the exhibition New American Sculpture at the Pasadena Art Museum, February 11–March 7, 1964. Photo by Frank J. Thomas. Courtesy of the Frank J. Thomas Archives

Bruce Nauman in his studio in Pasadena, California, ca. 1970. Photo by Frank J. Thomas. Courtesy of the Frank J. Thomas Archives

Norman Zammitt working in his studio in the Eagle Rock neighborhood of Los Angeles, 1965. Photo by Frank J. Thomas. Courtesy of the Frank J. Thomas Archives

Poster for The Studs group exhibition at the Ferus Gallery in Los Angeles, 1964. Image courtesy of Hal Glicksman