Lee Stalsworth, 2008, Anne Truitt, First Requiem, 1977. Image courtesy estate of Anne Truitt.

Jan Butterfield, 1971, Robert Irwin, Skylights Column, 1970. Image courtesy estate of Jan Butterfield.

Frank J. Thomas, 1972, Maria Nordman, 1014 Pico, 1972. Image courtesy Frank J. Thomas Archives.

John Gossage, 1974, Anne Truitt, Hardcastle, 1962. Image courtesy estate of Anne Truitt.

Jean-Luc Terradillos, 1991, James Turrell, Heavy Water, 1991.
Image courtesy estate of the Jean-Luc Terradillos.

Arnold Newman, 1967, Dan Flavin, Kornblee Gallery Installation, 1967. Image courtesy estate of Arnold Newman.