Alonzo L. Gaskill is a professor of Church history and doctrine. He holds a bachelor's degree in philosophy, a master's in theology, and a PhD in biblical studies. He has taught at Brigham Young University since 2003. Before coming to BYU, he served in a variety of assignments within the Church Educational System-most recently as the director of the institute of religion at Stanford University (1995-2003). His research areas include the Fall of Adam and Eve, scriptural and temple symbolism, early Christian history and doctrines, Catholicism, Jehovah's Witnesses, Eastern Orthodoxy, and various other world religions.