Sidis
BORIS, an American psychopathologist, born in Russia, in 1867. He came to America in 1887 and received from Harvard the degrees of A.B. in 1894; A.M. in 1895; Ph.D. in 1897; and M.D. in 1908. From 1896 to 1901 he served as associate psychologist and psychopathologist of the Pathological Institute of the New York State hospitals. Practicing his profession in Boston, he was also medical director of a psychotherapeutic institute bearing his name, at Portsmouth, N. H., and at various times an associate editor of the "Archives of Neurology and Psychopathology," and of the "Journal of Abnormal Psychology."
His numerous publications include "Multiple Personality" (with Goodhart, 1905); "Experimental Study of Sleep" (1909); "Studies in Psychopathology" (1909); "The Psychology of Laughter" (1913); "The Foundations of Normal and Abnormal Psychology" (1914); "The Causation and Treatment of Psychopathic Diseases" (1916); "The Source and Aim of Human Progress" (1919), etc.