Walls of the Crypt Built by Abbot Hilduin, 9th century (2019) - Catholic Stock Photo

Abbot Hilduin was a Catholic medieval scholar and churchman who lived in the 9th century. He served as the abbot of the Abbey of Saint-Denis in France from 814 to 840 AD (where he had the crypt walls built) and is known for his contributions to the study of theology and philosophy. Hilduin was a prolific writer who produced several works on a variety of topics, including biblical exegesis, hagiography, and history. He also played an important role in the preservation of classical and Christian texts during a time of political upheaval and social change in Europe. Hilduin's legacy as a Catholic scholar and churchman helped to shape the intellectual and cultural landscape of medieval Europe.