Robert M. Sapolsky

Robert M. Sapolsky is an American neuroscientist and primatologist whose research focuses on neuroendocrinology, particularly relating to stress. He is the John A. and Cynthia Fry Gunn Professor at Stanford University, with joint appointments in biology, neurology, and neurosurgery. For 25 years he returned to Kenya each summer to study wild baboons. He is the author of 'Why Zebras Don't Get Ulcers,' 'Behave,' and 'Determined,' and received a MacArthur Fellowship in 1987 and the Carl Sagan Prize in 2008.