Christophe Duhamelle is Professor of History at the École des hautes études en sciences sociales (EHESS), Paris. In the Winter Term 2025/26, he was a POLY Writing Fellow in the Writing Group
"(Re-) Ordering Time." During the group's meetings at Forschungskolleg Humanwissenschaften Bad Homburg in January and June 2026, he developed his contribution to the first volume of POLY's forthcoming three-volume book project, Doing Christianity: A Praxeological Guide to Polycentricity and Plurality of Premodern Christianities.