Andrei Orlov examines early Christological developments in the light of rabbinic references to the “two powers” in heaven, tracing the impact of this concept through both canonical and non-canonical material.Orlov begins by looking at imagery of the “two powers” in early Jewish literature, in particular the book of Daniel, and in pseudepigraphical writings. He then traces the concept through rabbinic literature and applies this directly to understanding of Christological debates. O...