Alexandra Walsham is Professor of Modern History at the University of Cambridge. In the Winter Term 2025/26, she 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, she developed her 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.