In the cultural context of the 1st century of our era, to write a life of Jesus--what we call a Gospel--constituted an apparently impossible challenge to overcome. For it was not simply a matter of being inspired by the biblical precedent, the lives of Abraham, Isaac, Jacob, Joseph, Moses, Samson, Samuel and David from sacred writers. It was also necessary to confront the Greco-Roman genre of the biography, whose protagonists were exclusively great...