Scholars continue to dispute the foundations of Quakerism. James Nayler, his prophetic Bristol 'sign' of 1656, and George Fox's relation to him have been of especial interest in defining the movement's identity. Conventionally, historians and theologians have taken either a 'traditional' approach, which assesses Nayler by the standards of orthodoxy, or a 'revisionist' one, which absolves him by the standards of early Quaker relativism and Christology...