Morton Henry Prince was an American physician who specialized in neurology and abnormal psychology, and was a leading force in establishing psychology as a clinical and academic discipline.
American Pioneer in Dissociative Disorders
Jean-Martin Charcot was a French neurologist and professor of anatomical pathology. He worked on groundbreaking work about hypnosis and hysteria, in particular with his hysteria patient Louise Augusti
Wearing Legion of Honour Officier, with rosette
Charcot uses hypnotism to treat hysteria and other abnormal mental conditions. All materials from Iconographie photographique de la Salpêtrière (Jean Martin Charcot, 1878)
The painting A Clinical Lesson at the Salpêtrière by Pierre Aristide André Brouillet. This painting shows Charcot demonstrating hypnosis on a "hysterical" Salpêtrière patient, "Blanche" (Marie "Blanche" Wittmann), who is supported by Dr. Joseph Babiński (rear). Note the similarity to the illustration of opisthotonus (tetanus) on the back wall.