Bjoern Weiler is Professor in History at Aberystwyth University. He has received grants, among others, from the AHRC, the British Academy, the Huntingdon Library, and the Leverhulme Trust. He is the author or co-author of publications including Political Culture in the Medieval West, Byzantium and the Islamic World (2021), Representations of Power in Medieval Germany (2006), and Kingship, Rebellion and Political Culture (2007, 2nd Ed 2012).