William Sargant was a British psychiatrist known for his work in the field of mental health during the mid-20th century. He gained recognition for his research on the effects of stress and trauma on the human mind, particularly in relation to psychotherapy and electroconvulsive therapy. Sargant believed in the importance of understanding the biological and psychological aspects of mental illness. Sargant authored several influential books, including "The Mind Possessed," where he explored the treatment of severe mental disorders. His work contributed to the development of various therapeutic techniques and highlighted the significance of neuroscience in understanding mental health.