The term "process art" describes a moment of radical, aformal experimentation in postwar American sculpture. Through the medium of drawing, Afterimagerevisits process art in terms of the artists who defined the movement and suggests a transitional moment when many of its practitioners anticipated the feminist and postminimalist art of the 1970s. Nancy Grossman's use of language, for example, suggests a kind of material abstraction, and Nancy Holt's...