Whose name is chiefly associated with psychoanalysis?

The name chiefly associated with psychoanalysis is Sigmund Freud. He is considered the founder of this psychological theory and therapeutic technique, which emphasizes the influence of the unconscious mind on behavior. Freud introduced key concepts such as the id, ego, and superego, as well as techniques like free association and dream analysis. His work has had a profound and lasting impact on psychology, literature, and the arts.