Robert Morris, a leading figure in postwar American art, is best known as a pioneer of minimalist sculpture, process art, and earthworks. Yet Morris has resisted affiliation with any one movement or style. An extraordinarily versatile artist, he has produced dances, performance pieces, prints, paintings, drawings, and installations, working with materials including plywood, felt, dirt, aluminum, steel mesh, fiberglass, and encaustic. Throughout his career, Morris has written influential critical essays, commenting on his own work as well as that of other artists, and exploring through text...