In August 1971, at the tail end of summer break, the Stanford psychology professor Philip Zimbardo recruited two dozen male college students for what was advertised as “a psychological study of prison ...

In 1971, Stanford University psychologist Philip Zimbardo conducted a notorious experiment in which he randomly divided college students into two groups, guards and prisoners, and set them loose in a ...

His provocative research made him a popular figure on campus. But his exploration of how good people can turn evil raised ethical questions. By Michael S. Rosenwald Philip G. Zimbardo, a towering ...