The author is a professional art historian but began his career at the University of Michigan where he met Rudolf Arnheim. Subsequently he studied experimental psychology with Alain Gilchrist and then devoted himself to art history. Never losing his interest in psychology, he has cultiavated relationships with European psychologists whose works provide much of the impetus of this book. He has gone on to write several professional papers on the thinking of Arnheim, gestalt psychology, not to mention works on Rennaissance and Baroque painting and perspective theory, including editing a book on t...