Josephine van den Bent is assistant professor of medieval history at the University of Amsterdam. Her research interests include ethnicity and ethnic stereotyping, urban organisation, and in general the social and cultural history of the premodern Islamicate world. She previously worked as a postdoctoral researcher on the NWO Vici-project "Source of Life" at Radboud University. Maaike van Berkel is professor of medieval history at Radboud University, Nijmegen. She is a social and cultural historian of the Middle East, with a particular interest in court culture and urban history. Her current research project investigates water management in the premodern Middle Eastern city.Edmund Hayes is a lecturer at Leiden University. His research focus is the social history of early Shiʿa Islam, which gave rise to his 2022 monograph, Agents of the Hidden Imam: Forging Twelver Shiʿism, 850-950 CE, and a 2024–2028 ERC project "Embodied Imamate: Mapping the Development of the Early Shiʿi Community 700–900 CE."