Astrid Windus (PhD in Modern History 2003, University of Hamburg) is a Senior Researcher of Iberian and Latin American History at the University of Cologne. In the Winter Term 2025/26, she was a POLY Writing Fellow in the Writing Group "(Re-) Ordering Space." During the group's meetings at Forschungskolleg Humanwissenschaften Bad Homburg in February and June/July 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.