• Freud's theories of the unconscious, neurosis, repression, the ego, and so on revolutionized the way in which we think about ourselves
• Freud's influence extends far beyond psychology and psychiatry -- he is studied in philosophy, literary theory, and cultural studies courses, for example
• Anthony Storr is one of the most important writers on the subject

Sigmund Freud (1856-1939) revolutionized the way in which we think about ourselves. From its beginnings as a theory of neurosis, Freud developed psycho-analysis into a general psychology which became widely accepted as the predominant mode of discussing personality and interpersonal relationships.