Hilduin (c. 785-c. 860), abbot of Saint-Denis in Paris and archchaplain to Louis the Pious, was one of the leading scholars and administrators of the Carolingian empire. He was the first to translate the mystical Greek writings of the pseudo-Dionysius into Latin; he then identified this Dionysius with the first bishop of Paris of that name, and assigned his episcopacy and martyrdom to 96 A.D. Hilduin composed a life of St Dionysius in prose and verse:...