Sigmund Freud (1856-1939) 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 considered one of the most influential and controversial figures in the history of psychology. Freud's theories and techniques have had a significant impact on the field of psychology and on popular culture. Some of his most notable contributions include: The concept of the unconscious mind: F...