Donald Pfaff is a renowned scientist affiliated with the Rockefeller University. He has spent his career researching the neural and hormonal mechanisms behind animal behavior. Pfaff is particularly interested in understanding how the brain mediates social behavior, aggression, sex, and stress responses. His work has contributed significantly to our understanding of the neuroscience of mammalian behavior.

Pfaff has published numerous articles and book chapters on his research, including the recent book "The Altruistic Brain: How We Are Naturally Good." He has also received many awards for his contributions to the field, including the Karl Spencer Lashley Award from the American Philosophical Society.

Through his research, Pfaff has contributed to significant advances in our understanding of how the brain governs behavior. His work has implications for issues ranging from neurological disorders to social policy.