The majority of faithful Latter-day Saints who engage in temple work for the dead probably have never heard of the Law of Adoption. Yet, for roughly a half century, until 116 years ago, it was the forerunner of today’s large-scale church temple ordinances for the deceased, which are considered sacred and necessary in the LDS Church for afterlife progression. Gordon Irving, then associate historian for the LDS Church, wrote a fascinating piece for the spring 1974 issue of BYU Studies. Titled, “The Law of Adoption: One Phase of the Development of the Mormon Concept of Salvation, 1830-1900,” Irving explains that...