Philip George Zimbardo (; March 23, 1933 – October 14, 2024) was an American psychologist and a professor at Stanford University. He was an internationally known educator, researcher, author and media personality in psychology who authored more than 500 articles, chapters, textbooks, and trade books covering a wide range of topics, including cognitive dissonance, the psychology of evil, persuasion, cults, deindividuation, shyness, and heroism. He became known for his 1971 Stanford prison experiment, which was later criticized.
https://en.wikipedia.org/wiki/Philip_Zimbardo