Vladimir Solovyov (1853-1900), one of the greatest philosophers of the nineteenth century, was the founder of a tradition of Russian spirituality that brought together philosophy, mysticism, and theology with a powerful social message. A Platonist and a gnostic visionary, as well as a close friend of Dostoevsky, Solovyov was also a prophet who was granted three visions of Sophia, Divine Wisdom. A poet and a profoundly Christian metaphysicist, his...