Emanuel Swedenborg became best known for his book on the afterlife, Heaven and Hell.At 53, he entered into a spiritual phase in which he began to experience dreams and visions. His experiences culminated in a "spiritual awakening" in which he received a revelation that Jesus Christ had appointed him to write The Heavenly Doctrine to reform Christianity.The New Church, a new religious movement originally founded in 1787 and comprising several historically-related Christian den...