D. Michael Quinn (born 1944) is a Latter Day Saint scholar and revisionist historian. From 1976 to 1988, he was a professor at Brigham Young University, after which he resigned over a dispute with the BYU administration over matters of academic freedom. At the time, his work was concerning church involvement with plural marriage after the 1890 Manifesto, which officially renounced the practice. In 1993, his work resulted in his excommunication from the The Church of Jesus Christ of Latter-day Saints. Despite his excommunication, Quinn remains a believing Latter Day Saint and widely-cited Mormon historian.
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