Jerald Dee Tanner (June 1, 1938 – October 1, 2006) and Sandra McGee Tanner (born January 14, 1941) are American writers and researchers who publish archival and evidential materials about the history of the Church of Jesus Christ of Latter-day Saints (LDS Church). The Tanners founded the Utah Lighthouse Ministry (UTLM), whose stated mission is "to document problems with the claims of Mormonism and compare LDS doctrines with Christianity". As of 2022 Sandra Tanner continues to operate the ministry after Jerald's death in 2006.The Tanners, who are ex-Mormon,: 38  printed original versions of early Mormon writings and scripture in which they annotated and highlighted doctrinal changes, such as the rejection of Brigham Young's "Adam–God doctrine". They jointly published more than 40 books about many aspects of the LDS Church, primarily its history.: 38  Source: Wikipedia (en)