Since the discovery of the substantial corpus of Manichaean writings, especially the Kephalaia (editio princeps Polotsky-Böhlig, 1934-1940), the Cologne Mani Codex (= CMC), and the hitherto incompletely published library from Dachla (Ian Gardner, 2000), there can be no doubt as to the activities of the missionaries of the great Persian gnostic Mani in the Southern Nile Valley and Red Sea regions. This fact not only confirms the views of J. Helderman “that the Manichaean missionaries entered Egypt from the South-East, i.e. initially to Upper Egypt” (‘Manichäische Züge im Thomasevangelium’, 483f., note 42), but also the historical observations concerning the origins and development of monasticism. The latter was not without Manichaean influen...