Abraham Geiger and the Jewish Jesus

Was Jesus the founder of Christianity or a teacher of Judaism? When he argued the latter based on the New Testament, Abraham Geiger ignited an intense debate that began in nineteenth-century Germany but continues to this day. Geiger, a pioneer of Reform Judaism and a founder of Jewish studies, developed a Jewish version of Christian origins. He contended that Jesus was a member of the Pharisees, a progressive and liberalizing group within first-century Judaism, and that he taught nothing ne...