Comparative Psychopathology

Daniel Marston, Ph.D., ABPP, is a licensed clinical psychologist specializing in behavior therapy in the states of Pennsylvania and Ohio in the United States. He has two previous books and several articles published on the intersection of clinical psychology and behavior research. He also teaches statistics and research design in the Doctor of Education program at Liberty University.

Margaret Gopaul, Ph.D., MSCP, is a research scientist and professor holding a Ph.D. in clinical psychology with a specialization in neuropsychology, a post-doctorate in clinical psychopharmacology, and neurophysiology training in epilepsy from Yale University and the University of Connecticut (surgical neurophysiology). She is a research faculty at Yale University/School of Medicine (Neurology) and serves as an associate research scientist at the Yale Comprehensive Epilepsy Center, and the Veterans Affairs Medical Center (Neurology).

Terry Maple, Ph.D., was an American behavioral research scientist, wildlife conservationist, professor emeritus (Georgia Institute of Technology), and zoo director emeritus. He was Director and later President and CEO of Zoo Atlanta. Dr. Maple has mentored 29 doctoral students at Emory University and Georgia Tech and written over 250 journal articles, chapters, and books on the behavior, conservation, and welfare of animals.