Sigmund Freud

Sigmund Freud (Freiberg in Moravia—now Příbor, Czech Republic—May 6, 1856 – London, September 23, 1939) was an Austrian neurologist, psychologist, and the founder of psychoanalysis, as well as one of the most influential thinkers of the 20th century. His theories regarding the unconscious, dreams, repression, and sexuality profoundly shaped psychology, psychiatry, philosophy, literature, and art.

He grew up in Vienna, where he earned his medical degree in 1881. He furthered his training in Paris under the neurologist Jean-Martin Charcot, whose research on hysteria influenced his work. In collaboration with the physician Josef Breuer, he published Studies on Hysteria (1895), a seminal work in the development of the psychoanalytic method.

In the book The Interpretation of Dreams (1900), he developed the theory that dreams are expressions of unconscious desires. This was followed by works such as The Psychopathology of Everyday Life (1901), Three Essays on the Theory of Sexuality (1905), and Jokes and Their Relation to the Unconscious (1905), in which he explored psychological conflicts, the development of sexuality, and everyday manifestations of the unconscious.

Freud formulated the concepts of repression, the Oedipus complex, transference, and defense mechanisms. In the work The Ego and the Id (1923), he presented a structural model of the psyche distinguishing between the Id, Ego, and Superego. His interests also encompassed culture, religion, and society. This is evidenced by the books Totem and Taboo (1913), Beyond the Pleasure Principle (1920), The Future of an Illusion (1927), Civilization and Its Discontents (1930), and Moses and Monotheism (1939).

Following the Nazi annexation of Austria in 1938, he emigrated to London, where he died the following year.

Freud's theories sparked numerous debates, and many of his claims are today considered scientifically controversial or insufficiently substantiated. Nevertheless, his influence on the understanding of subjectivity, unconscious motives, and human culture remains exceptionally significant.