To begin with, we have the line begun by F. C. Baur. His distinction between Jewish Christianity and Hellenistic Christianity, and his (Hegelian) suggestion that the tension between the two was resolved in ‘early catholicism’, has been maintained, in different ways, by Adolf Harnack, Albert Schweitzer, Rudolf Bultmann, Ernst Käsemann, Hans Conzelmann, and, most recently, Helmut Koester.
