Silvan Tomkins was one of the most influential theorists on emotion and emotional expression. Over a period of forty years--until his death in 1991--he developed a set of original, important ideas about the nature of affect and its relationship to cognition and personality. Tomkins dealt with fundamental questions in a fresh and provocative way, establishing affect as a separate, biological system, and providing compelling data on discrete affect expressions. Virginia Demos has undertaken the enormous task of compiling Professor Tomkins' papers and writing connective material for this volume,...