Three Witnesses, L. Tom Perry Special Collections David Whitmer Letter, L. Tom Perry Special Collections 1805 births 1888 deaths American Latter Day Saint leaders American Latter Day Saints Angelic visionaries Apostles of the Church of Christ (Latter Day Saints) Book of Mormon witnesses Converts to Mormonism Doctrine and Covenants people Founders of new religious movements Latter Day Saint leaders Mayors of places in Missouri People excommunicated by the Church of Christ (Latter Day Saints) People from Fayette, New York Religious leaders from New York (state) Whitmer family Harold B. Lee Library-related 19th century articles