A 6-inch (15 cm) grid covering each of the four black walls. White lines to points on the grids. Fourth wall: twenty-fou

Isometric form. December 2001 Acrylic paint Courtesy of the Estate of Sol LeWitt First Installation Fundación PROA, Bue

The location of one hundred random specific points. (The locations are determined by the drafters.) August 1977 Black pe

A square divided horizontally and vertically into four equal parts, one gray, one yellow, one red and one blue, drawn wi

Ten thousand lines about 10 inches (25 cm) long, covering the wall evenly. June 1971 Black pencil Collection of Henry S.

Isometric figure with color ink washes superimposed. June 1989 Color ink wash Yale University Art Gallery Gift of the Le

Three concentric arches. The outside one is blue; the middle red; and the inside one is yellow. November 1988 Color ink

Scribbles. (Yale) July 2008 Graphite Courtesy of the Estate of Sol LeWitt (Designated for Yale University Art Gallery) F

Bands of lines 12 inches (30 cm) wide, in three directions (vertical, horizontal, diagonal right) intersecting. Septembe

Six white geometric figures (outlines) superimposed on a black wall. October 1976 White crayon on black wall Los Angeles

Scribble: Square without a square. July 2008 Graphite LeWitt Collection, Chester, Connecticut First Installation MASS Mo

Loopy Doopy (orange and green). September 1998 Acrylic paint Addison Gallery of American Art, Andover, Massachusetts; pa

Scribbles: Inverted curve (horizontal). October 2005 Graphite Courtesy of the Estate of Sol LeWitt First Installation Ga

Vertical lines, not straight, not touching, covering the wall evenly. May 1970 Black pencil LeWitt Collection, Chester,