Installation view, Robert Grosvenor, Paula Cooper Gallery, 155 Wooster Street, New York, April 5 -26 1986. © Robert Grosvenor. Courtesy Paula Cooper Gallery, New York. Photo: Andrew Moore.

Installation view, Robert Grosvenor, Paula Cooper Gallery, 155 Wooster Street, New York, April 5 -26 1986. © Robert Grosvenor. Courtesy Paula Cooper Gallery, New York. Photo: Andrew Moore.

Installation view, Robert Grosvenor, Paula Cooper Gallery, 155 Wooster Street, New York, April 5 -26 1986. © Robert Grosvenor. Courtesy Paula Cooper Gallery, New York. Photo: Andrew Moore.

Robert Grosvenor
"Untitled" 1984-85
Steel, plastic, tar and oil paint
72 x 72 x 72 in.

Robert Grosvenor
"Untitled" 1981-83
Steel, vinyl-coated steel and undercoating
36 x 96 x 84 in.