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ABSTRACT In 1954, Dorothy Martin predicted an apocalyptic flood and promised her followers rescue by flying saucers. When neither arrived, she recanted, her group dissolved, and efforts to proselytize ceased. But When Prophecy Fails (1956), the now-canonical account of the event, claimed the opposite: that the group doubled down on its beliefs and began recruiting—evidence, the authors argued, of a new psychological mechanism, cognitive dissonance. Drawing on newly unsealed archival material, this article demonstrates that the book's central claims are false, and that the authors knew they were false. The documents reveal that the group actively proselytized well before the prophecy failed and quickly abandoned their beliefs afterward. They also expose serious ethical violations by the researchers, including fabricated psychic messages, covert manipulation, and interference in a child welfare investigation. One coauthor, Henry Riecken, posed as a spiritual authority and later admitted he had “precipitated” the climactic events of the study.

When Prophecy Fails is not the first famous psychological study or account of the mid-20th century to fall to archival research. The popular understanding of the Kitty Genovese murder (Manning et al. 2007), the Milgram obedience experiment (Perry et al. 2020), the Rosenhan experiment (Cahalan 2019), the Little Albert experiment (Harris 1979), and the Stanford Prison Experiment (Le Texier 2019) have all been challenged. The problem is not with qualitative research; we rely on historians and journalists to understand the world, and the replication crisis within psychology shows that quantitative research is not immune to error, bias or manipulation. We would likely understand more about the world if more scholars, psychologists, and journalists were embedded in niche communities like cults. The real failure lies in mistaking vivid narratives for accuracy, and confident, theatrical performances for reliable observation. The braggadocio that FRS or Zimbardo or Milgram, that they could reshape our psychological understanding with a singular, dramatic experiment should never have been accepted. Had anyone sent a postcard to Dorothy Martin, Charles or Lilian Laughead, or their daughter, the FRS account could have collapsed decades ago.