MATTHIAS EGGER PhD Student PhD program:: XLI email: matthias.egger@etu.ephe.psl.eu supervisor: Prof. Ioanna Rapti co-supervisor: Prof. Paola Buzi joint PhD: École Pratique des Hautes Études, Université PSL (Paris Sciences et Lettres) Research: Coptic Illumination (8th–19th century): Semantic Economy and Identity