Isidor Sadger

Isidor Isaak Sadger (29 October 1867 – 21 December 1942), born in Neu Sandez, Galicia, was a forensic medical doctor and psychoanalyst in Vienna. A leader in the early development of psychoanalysis, he began his career as a neurological specialist and, in 1894, began publishing a series of articles on psychophysiology. He studied with Sigmund Freud from 1895 to 1904 with a concentration in homosexuality and fetishism and coined the term ''Sadomasochismus'' (sadomasochism) in 1913. He also coined the term "Narcissmus" (narcissism). In September 1942, he was deported to the Theresienstadt concentration camp, where he died. Provided by Wikipedia