Images, top row, from left: Untitled, 2000, mixed media on paper, 60 x 42 inches; Four Circles on Grey, 1999, acrylic and charcoal on paper, 4 x 7 1/2 inches; Black Ground—White Lines, 2001, charcoal and pastel on paper, 60 x 42 inches; Untitled (Red), 2001, mixed media on paper, 72 x 42 inches Images, bottom row, from left: Untitled (White), 2001, mixed media on paper; 42 x 72 inches; Big Tan Circle with Black Line, 1999, acrylic on canvas over wood, 67 x 66 ½ x 2 3/8 inches; Four Lines Grey, 1999, acrylic and charcoal on paper, 30 x 22 1/4 inches