Panayiotis Tzamalikos, MSc, MPhil, PhD, is Professor of Philosophy at the Aristotle University of Thessaloniki. His books include The Concept of Time in Origen (1991 –his Phd at the University of Glasgow, 1987); Origen: Cosmology and Ontology of Time (2007); Origen: Philosophy of History and Eschatology (2007); A Newly Discovered Greek Father – Cassian the Sabaite eclipsed by John Cassian of Marseilles (2012); The Real Cassian Revisited – Monastic Life, Greek Paideia, and Origenism in the Sixth Century (2012); An Ancient Commentary on the Book of Revelation – A critical edition of the Scholia in Apocalypsin (2013); Anaxagoras, Origen, and Neoplatonism – The Legacy of Anaxagoras to Classical and Late Antiquity (2 vols. 2016); Origen: New Fragments from the Commentary on Matthew (2020); Origen and Hellenism – The Interplay Between Greek and Christian Ideas in Late Antiquity (2022); Guilty of Genius – Origen and the Theory of Transmigration (2022); The Wisdom of Solomon and the Byzantine Reception of Origen (2023).