Martha Stout is a renowned psychologist and author known for her work in the field of psychopathy and psychological trauma. She earned her Ph.D. in psychology from Radcliffe College/Harvard University and served on the faculty in the department of psychiatry at Harvard Medical School for over 25 years. Stout is best known for her book "The Sociopath Next Door," which explores the prevalence of sociopathy in everyday life and its impact on relationships and society. With numerous articles and books, she has become a leading voice in understanding how individuals without conscience can affect the world around them.