Boris Sidis

Boris Sidis

Boris Sidis, Ph.D., M.D. (/ˈsaɪ dɪs/; October 12, 1867 - October 24, 1923) was an American psychologist, physician, psychiatrist, and philosopher of education. Sidis founded the New York State Psychopathic Institute and the Journal of Abnormal Psychology. He was the father of child prodigy William James Sidis. Boris Sidis eventually opposed mainstream psychology and Sigmund Freud, and thereby died ostracized. He was the maternal grandfather of Clifton Fadiman, the noted American intellectual.