Distinct visitor of heaven and hell, theosophist and polymath, inventor of the decimal system, Emanuel Swedenborg was a universal genius. In 1743, in a London tavern, he had a misty vision of a room with a changing floor, an entity present dictating his teachings. This reasoned mystical quest led him to converse with angels and the dead, "The vision lasted indefinitely. That very night the eyes of my inner man were opened. They were made fit to see into the heavens, into the spirit world and into the underworld. From that day on, I abandoned the study of worldly sciences and devoted myself to spiritual things in accordance with what the Lord commanded me to write."
Author of a formidab...