
Sabina Spielrein was a Russian physician who also worked as a psychoanalyst, psychiatrist, and teacher during an illustrious professional career that spanned 30 years. A pioneer of psychoanalysis, Spielrein was the first person to bring in and popularize the concept of the death instinct. Sabina Spielrein was also one of the earliest psychoanalysts to study schizophrenia in detail.