Lorin Calvin Woolley (October 23, 1856 – September 19, 1934) was an American proponent of plural marriage and one of the founders of the Mormon fundamentalist movement. As a young man in Utah Territory, Woolley served as a courier and bodyguard for polygamous leaders of The Church of Jesus Christ of Latter-day Saints (LDS Church) in hiding during the federal crusade against polygamy. His career as a religious leader in his own right commenced in the early twentieth century, when he began claiming to have been set apart to keep plural marriage alive by church president John Taylor in connection with the 1886 Revelation. Woolley's distinctive teachings on authority, morality, and doctrine are thought to provide the theological foundation for nearly ninety percent of Mormon fundamentalist gro