Books by David Premack

David Premack Ph.D. is emeritus professor of psychology at the University of Pennsylvania. A pioneer, with Ann, in chimpanzee language study, they showed why chimps cannot acquire human language. Premack proposed a theory of reward or reinforcement still used after forty years (Premack Principle), and introduced the concept of Theory of Mind, a keystone of human social intelligence. His book The Mind of an Ape, which he wrote with Ann Premack, summarized his work on animal intelligence and was given an award by the American Psychological Association. Ann Premack's book Why Chimps Can Read was featured in "New and Noteworthy" in the New York Times and translated into five languages. She is an editor of Causal Cognition, and listed in Who's Who in the World.