Morton Henry Prince (December 21, 1854 – August 31, 1929) 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.He was part of a handful of men who disseminated European ideas about psychopathology, especially in understanding dissociative phenomenon; and helped found the Journal of Abnormal Psychology in 1906, which he edited until his death.