This volume in honour of Johannes van Oort, formerly University of Utrecht, presently Professor of Patristics and Gnosticism at the Universities of Nijmegen and Pretoria, and past-President of the International Association of Manichaean Studies (IAMS), brings together a rich variety of studies on Augustine, Manichaeism, and other Gnostic currents, thus reflecting the honorand’s research interests. The unique collection is divided into four sections: I. Studies in Augustine: Confessions, Sermons, Letters & De Haeresibus; Augustine on Grace & Pluralism; Augustinian ‘Gnosis’; II. Studies in Manichaeism: Origins & Myth; Doctrines & Cult; Diffusion & Art; III. Studies in Manichaeism and Augustine: Doctrines; Polemics & Debates with Manichaean Contemporaries; IV. Studies in ‘Other Gnosticism’: Gnosticism and ‘Apocryphal’ Texts; Sources of (Ps.) Hippolytus’ Refutatio; the Gospel of Judas; Modern Yesidi Gnosticism. The 35 studies are preceded by an overview of Prof. van Oort’s scholarly activities and publications

This volume in honour of Johannes van Oort, formerly University of Utrecht, presently Professor of Patristics and Gnosticism at the Universities of Nijmegen and Pretoria, and past-President of the International Association of Manichaean Studies (IAMS), brings together a rich variety of studies on Augustine, Manichaeism, and other Gnostic currents, thus reflecting the honorand’s research interests. The unique collection is divided into four sections: I. Studies in Augustine: Confessions, Sermons, Letters & De Haeresibus; Augustine on Grace & Pluralism; Augustinian ‘Gnosis’; II. Studies in Manichaeism: Origins & Myth; Doctrines & Cult; Diffusion & Art; III. Studies in Manichaeism and Augustine: Doctrines; Polemics & Debates with Manichaean Contemporaries; IV. Studies in ‘Other Gnosticism’: Gnosticism and ‘Apocryphal’ Texts; Sources of (Ps.) Hippolytus’ Refutatio; the Gospel of Judas; Modern Yesidi Gnosticism. The 35 studies are preceded by an overview of Prof. van Oort’s scholarly activities and publications