Kristjan Toomaspoeg is Professor of Medieval History at the Università del Salento, Lecce (Italy). His research focuses on the military orders, medieval Southern Italy, and frontier history. His publications include Les Teutoniques en Sicile (1197–1492) (2003), Decimae: Il sostegno economico dei sovrani alla Chiesa del Mezzogiorno nel XIII secolo (2009), and À travers le regard de l’Autre: Réflexions sur la société médiévale européenne (2018, with José Albuquerque Carreiras and Giulia Rossi Vairo).