When Prophecy fails

Leon Festinger: Leon Festinger (8 May 1919 -11 February 1989) was an American social psychologist, perhaps best known for cognitive dissonance and social comparison theory. Henry William Riecken: Henry William Riecken (November 11, 1917 - December 27, 2012) was an American psychologist. Stanley Schachter: Stanley Schachter (April 15, 1922 - June 7, 1997) was an American social psychologist, who ...