First cataloge raisonne of a an artist considered a pioneer of postmodern ideas in the 1970s, he came to prominence with his early text paintings-hand painted phrases on canvas-and moved on to photographic images paired with text. He has maintained his interest in the relationship of words and imagery, often delighting in the absurd and pointing out the irony in contemporary art theory. Among his many awards is the Americans for the Arts Lifetime Achievement Award; a retrospective of his work will be on view at the Tate Modern in 2009.