Sigmund Freud ?

Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst. He is best known for his theories on the unconscious mind, the role of sexuality in human behavior, and the concept of the Oedipus complex. Freud's work has had a lasting impact on psychology, psychiatry, and cultural studies.