Sigmund Freud
Born May 6, 1856 — Died September 23, 1939
Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis — a clinical method for treating mental illness through dialogue between patient and analyst that permanently transformed psychiatry, psychology, philosophy, and Western cultural thought. Concepts he introduced or popularized, including the unconscious, repression, the Oedipus complex, the id and ego, and dream interpretation, have so thoroughly permeated modern language and self-understanding that many people use them without knowing they are Freud's.
From Moravia to Vienna
Born Sigismund Schlomo Freud on May 6, 1856, in Freiberg in Mähren (now Příbor, Czech Republic), he was the eldest child of Jacob and Amalie Freud. The family moved to Vienna when he was four, and it was there that Freud would spend virtually his entire life. A brilliant student, he enrolled in the medical school of the University of Vienna in 1873 and graduated in 1881, initially pursuing research in neurology under the great physiologist Ernst Brücke and publishing work on the nervous systems of fish and crustaceans.
A research grant allowed him to study in Paris under the celebrated neurologist Jean-Martin Charcot in 1885–86, where he observed the use of hypnosis in treating hysteria. Returning to Vienna, he began a private medical practice and developed a friendship and collaboration with Josef Breuer, whose case of "Anna O." — treated through a "talking cure" — would prove foundational to psychoanalytic method. Though Freud and Breuer eventually parted ways professionally and intellectually, their collaboration produced Studies in Hysteria (1895), now considered a founding document of psychoanalysis.
The Psychoanalytic Revolution
Freud's theory of the unconscious held that the mind contains processes that are not directly accessible to conscious awareness — wishes, memories, impulses, especially sexual and aggressive ones — that are actively repressed but continue to influence behavior, emotions, and symptoms. His clinical method, the "talking cure," used free association (the patient saying whatever came to mind) and dream interpretation to bring unconscious material into consciousness, thereby resolving the neurosis that symptoms expressed. The Interpretation of Dreams (1900), which Freud considered his greatest work, argued that dreams were "the royal road to the unconscious."
He went on to publish prolifically: The Psychopathology of Everyday Life (1901), Three Essays on the Theory of Sexuality (1905), Totem and Taboo (1913), Beyond the Pleasure Principle (1920), and The Ego and the Id (1923). He gathered disciples from across Europe and founded the International Psychoanalytical Association in 1910, though bitter schisms — most famously with C.G. Jung and Alfred Adler — repeatedly fractured the movement. Freud's insistence on the primacy of sexuality in mental life remained the central fault line.
Did You Know?
Freud was an avid cigar smoker throughout his adult life, reportedly smoking twenty cigars a day. When his doctor suggested stopping after jaw cancer was diagnosed in 1923, Freud reportedly responded that smoking had helped him think and that he was unwilling to give it up — a choice that led to over thirty surgical procedures on his jaw over the following sixteen years.
Exile and Legacy
After Nazi Germany annexed Austria in 1938, Freud — a prominent Jewish intellectual — was finally persuaded by friends and family to flee to London, where he died of oral cancer on September 23, 1939, at age eighty-three. His daughter Anna Freud continued and developed his work, becoming a distinguished child psychoanalyst in her own right. While many of Freud's specific theories have been challenged, revised, or discarded by neuroscience and empirical psychology, his fundamental insight that human behavior is shaped by mental processes outside conscious awareness remains the cornerstone of the subject. His major works are available in the Standard Edition of the Complete Psychological Works, or in affordable paperback collections such as The Interpretation of Dreams .