Otto Rank (/rɑːŋk/; born Otto Rosenfeld; April 22, 1884 – October 31, 1939) was an Austrian psychoanalyst, writer, and teacher. Born in Vienna, 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. For the remaining 14 years of his life, Rank had a successful career as a lecturer, writer and therapist in France and the United States.