Dr. Harrison received his B.A. and M.A. in Psychology from the University of California, Santa Barbara and his Ph.D. in Social Psychology from the University of Michigan. In 1967, he joined the faculty of the Department of Psychology at the University of California, Davis, where he is currently Professor. Author or co-author of over 70 published papers in a wide range of journals, his six authored or co-authored books include Individuals and Groups, Understanding Social Behavior (1976), Living Aloft: Human Requirements for Extended Spaceflight (1985), From Antarctica to Outer Space: Life in Isolation and Confinement (1991), and After Contact: The Human Response to Extraterrestrial Life (1997). He is currently applying his expertise in social and organizational psychology to a new textbook on the psychology of space exploration and settlement. Dr. Harrison has served his campus as Chair of the Department of Psychology, Faculty Assistant to the Chancellor, Executive Associate Dean of the College of Letters and Science, and (currently) Director of the campus-wide Internship and Career Center. He is a Director of CONTACT, a Regent of United Societies in Space and Deputy U.S. Editor of Systems Research and Behavioral Science.