Hank Davis, University of Guelph (IMAGE) Prometheus Books Caption Hank Davis (Guelph, Ontario, Canada) is an award-winning professor of psychology who teaches at the University of Guelph. He is the author of several books and more than 100 scientific papers. Credit Prometheus Books Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.