- Life
- 6 May 1856 (Freiberg, Moravia, now Příbor) — 23 September 1939 (Hampstead, London)
- Country
- Austria
- Period
- 19th-20th century
- Affiliation
- University of Vienna
- Areas
- Psychoanalysis, Philosophy of mind, Philosophy of culture, Philosophy of religion
- Major works
- Studies on Hysteria, with Josef Breuer (1895)
- The Interpretation of Dreams (1899)
- The Psychopathology of Everyday Life (1901)
- Three Essays on the Theory of Sexuality (1905)
- Beyond the Pleasure Principle (1920)
- The Ego and the Id (1923)
- The Future of an Illusion (1927)
- Civilization and Its Discontents (1930)
- Moses and Monotheism (1939)
- Key concepts
- The unconscious, Repression, Dream-work, Oedipus complex, Id, ego and super-ego, Transference, Death drive, Sublimation
- Influenced by
- Josef Breuer, Jean-Martin Charcot, Arthur Schopenhauer, Friedrich Nietzsche, Charles Darwin, Franz Brentano