Four Rectangles, 1990 Oil on canvas, 56 x 38 in. / 142.2 x 96.5 cm. Yonder Orange, 1990 Oil on canvas, 78 x 120 in. / 198.1 x 304.8 cm. Big Space - Black Line, 1990 Acrylic on canvas, 56 x 80 in. / 142.2 x 203.2 cm. Yonder Purple, 1990 Acrylic on canvas, 90 x 60 in. / 228.6 x 152.4 cm. Open Space, 1990 Acrylic on canvas, 68 x 60 in. / 172.7 x 152.4 cm. Gray Rectangle - Black Line, 1992 Acrylic on canvas, 72 x 48 in. / 182.9 x 121.9 cm. Open Doors, 1992 Acrylic on canvas, 90 x 52 in. / 228.6 x 132.1 cm. Jubilee Square, 1992 Acrylic on canvas, 90 x 52 in. / 228.6 x 132.1 cm. Equinoctial, 1993 Acrylic on canvas, 72 x 38 in. / 182.9 x 96.5 cm. Event in Orange, 1994 Acrylic on canvas, 58 in. / 147.3 cm. (diameter) Event in Blue, 1994 Acrylic on canvas, 58 in. / 147.3 cm. (diameter) Event in Blue +, 1994 Acrylic on canvas, 66 x 54 in. / 167.6 x 137.1 cm. Event in Red, 1994 Acrylic on canvas, 72 x 24 in. / 182.9 x 60.1 cm. Intervals, 1996 Acrylic on canvas, 24 in. / 61 cm. (diameter)