Maxime L’Héritier is an archaeologist and a historian who studies construction history and archaeometallurgy. His works deal with metal production, construction techniques, and trade in the Middle Ages. He received his Ph.D. on “the use of iron in Gothic architecture” from the University of Paris 1 Panthéon-Sorbonne in 2007 and is currently an associate professor in medieval history at the University of Paris 8 Vincennes-Saint-Denis and ArScAn CNRS laboratory. In 2019, L’Héritier co-edited a book on ancient building maintenance and long-term conservation practices titled Sarta Tecta. De l’entretien à la conservation des édifices, Antiquité, Moyen Âge, début de la période moderne. Since May 2019, he coordinates the “metal workgroup” for the scientific project on Notre Dame de Paris, funded by the CNRS (French National Centre for Scientific Research) and French Ministry of Culture.