WHISENANT, Edgar

Edgar Whisenant was a retired NASA engineer who predicted the rapture would occur in September 1988 in his bestselling book "88 Reasons Why the Rapture Will Be in 1988." His mathematical calculations based on biblical prophecy, Jewish holidays, and astronomical events convinced thousands of Christians that the end times were imminent, making him one of the most prominent failed doomsday predictors of the 20th century.

Whisenant's methodology combined biblical numerology, Hebrew calendar calculations, and astronomical alignments to determine that September 11-13, 1988 would mark the rapture of Christians before the tribulation period. His book sold over 4.5 million copies and generated widespread media attention, with some Christian radio stations providing extensive coverage and believers preparing for their departure from Earth.

The prediction's failure led to significant disappointment among followers, though Whisenant continued making modified predictions for subsequent years including 1989, 1993, and 1994. He argued that calculation errors or misunderstanding of biblical chronology explained the failed dates while maintaining confidence in his prophetic methodology.

The Whisenant phenomenon illustrated the appeal of date-setting in Christian prophecy despite biblical warnings against predicting the timing of end times events. His case demonstrated how mathematical precision and scientific credentials could lend credibility to prophetic claims while revealing the psychological and social factors that drive apocalyptic expectations.

Religious scholars and pastors used Whisenant's failure to emphasize traditional Christian teachings about the impossibility of predicting prophetic timing, though the incident also highlighted the ongoing appeal of end times speculation in American evangelical culture.