The wall drawings of Sol LeWitt shown here are a continuing investigation of a working process that began twenty years ago. The installation consists of seven four-panel rectangular drawings that directly cover the walls of the gallery in thin layers of gray, red, yellow, and blue ink washes, applied in various combinations. Although these latest drawings differ from the original focus on lines, squares, and cubes and the limited palette of black and white, they still manage to create a complex field of visual activity out of what, by definition, sounds like a color-design problem of the simplest