Dr. Philip George Zimbardo (born March 23, 1933) is an American psychologist and a professor emeritus at Stanford University. He is president of the Heroic Imagination Project. He is known for his Stanford prison study, and authorship of various introductory psychology books and textbooks for college students, including The Lucifer Effect and The Time Paradox.
Zimbardo was born in New York City on March 23, 1933 from a family of Sicilian immigrants. He completed his BA with a triple major in psychology, sociology, andanthropology from Brooklyn College in 1954, where he graduated summa cum laude. He completed his M.S. (1955) and Ph.D (1959) in psychology from Yale University. He taught at Yale from 1959 to 1960. From 1960 to 1967, he was a professor of psychology at New York University. From 1967 to 1968, he taught at Columbia University. He joined the faculty at Stanford University in 1968.