selected works on paper Faced Faces, 1971 Light Eyes, 1983 Opened Eye, 1983 Today and Tomorrow, 1983 The Watch, 1984 L'Homme Vert, 1993 Three Kings, 1993 The Positive Chain, 1963 Untitled, Red-Brown, 1964 Blue Visage, 1966 Aside, 1979 Lonely One, 1979 En Face, 1987 Untitled, Green Face, 1987 At the Table, 1988 Watchman, 1991 Only, 1998 Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) Slide 4 Slide 4 (current slide) Slide 5 Slide 5 (current slide) Slide 6 Slide 6 (current slide) Slide 7 Slide 7 (current slide) Slide 8 Slide 8 (current slide) Slide 9 Slide 9 (current slide) Slide 10 Slide 10 (current slide) Slide 11 Slide 11 (current slide) Slide 12 Slide 12 (current slide) Slide 13 Slide 13 (current slide) Slide 14 Slide 14 (current slide) Slide 15 Slide 15 (current slide) Slide 16 Slide 16 (current slide) Slide 17 Slide 17 (current slide)