Divine simplicity is the idea that, as the ultimate principle of the universe, God must be a non-composite unity not made up of parts or diverse attributes. Radde-Gallwitz explores how this idea was appropriated by early Christian theologians from non-Christian philosophy with particular reference to Basil of Caesarea and Gregory of Nyssa. Radde-Gallwitz has produced a book of impeccable historical and philological scholarship, which nevertheless at no point leaves the reader in any doubt that the ultimate objective of the work is squarely in the theological field... highly original