About
Philip George Zimbardo is an American psychologist and professor emeritus at Stanford University. Born on March 23, 1933, Zimbardo is an internationally known educator, researcher, author, and media personality. He has authored over 500 articles, chapters, textbooks, and trade books on a wide range of psychological topics. Zimbardo is most famous for conducting the 1971 Stanford prison experiment, although it has been subject to later controversy and criticism.
Career Timeline
Stanford Prison Experiment
Conducted the Stanford prison experiment, gaining widespread attention and controversy for its ethical and methodological issues.
Shyness Research and Book
Published 'Shyness,' a widely read book on the subject, expanding his influence in psychology.
The Lucifer Effect Publication
Published 'The Lucifer Effect,' analyzing the psychology of evil and further solidifying his reputation.
Heroic Imagination Project
Founded the Heroic Imagination Project, focusing on promoting heroism and positive social action.
Influential but Controversial Figure
Philip Zimbardo remains an influential figure in psychology, known for the Stanford prison experiment, though the experiment's controversies slightly diminished his influence.
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Last updated: February 21, 2026