Otto Rank (/rɑːŋk/) April 22, 1884 – October 31, 1939) was an Austrian psychoanalyst, writer, and teacher. Born in Vienna as Otto Rosenfeld, he was one of Sigmund Freud's closest colleagues for 20 years, a prolific writer on psychoanalytic themes, an editor of the two most important analytic journals, managing director of Freud's publishing house and a creative theorist and therapist. In 1926, Otto Rank left Vienna for Paris.