<DIV><I>The question of affect is central to critical theory, psychology, politics, and the entire range of the humanities; but no discipline, including psychoanalysis, has offered a theory of affect that would be rich enough to account for the delicacy and power, the evanescence and durability, the bodily rootedness and the cultural variability of human emotion.</P><P></I>Silvan<I></I>Tomkins (1911–1991) was one of the most radical and imaginative psychologists of the twentieth century. In <I>Affect, Imagery, Consciousness</I>, a four-volume work published over the last thirty years of his life, Tomkins developed an ambitious theory of affect steeped in cybernetics and systems theory as well as in psychoanalysis, ethology, and neuroscience. The implications of his conceptually daring and phenomenologically suggestive theory are only now—in the context of postmodernism—beginning to be understood. With <I>Shame and Its Sisters</I>, editors Eve Kosofsky Sedgwick and Ada