Gunner B. Mikkelsen is Honorary Senior Research Fellow, Department of History and Archaeology, Macquarie University, Sydney. Among his publications are Dictionary of Manichaean Texts in Chinese (2006), Between Rome and China (2016), Tractatus Manichaicus Sinicus (2017) and The Gnostic World (2019). Ken Parry is Honorary Senior Research Fellow, Department of History and Archaeology, Macquarie University, Sydney. Among his publications are Depicting the Word: Byzantine Iconophile Thought of the Eighth and Ninth Centuries (1996), and Art, Architecture and Religion Along the Silk Roads (2008). He has recently contributed to Brill’s A Companion to Byzantine Iconoclasm (2021).