The current explosion of critical and art-historical writing on “Conceptual Art,” like the discursive production of “postmodernism” of the 1980s and early 1990s that preceded it, posits that the art production of a particular group of artists, by means of critical attack and strategic engagement, extended the development of visual modernism into what has been termed a “critical postmodernism” of the late twentieth century. Therefore, we are at this moment witnesses to the slow process...