Ronnie Po-chia Hsia is Edwin Erle Sparks Professor of History at Pennsylvania State University. His research interests are Catholic Renewal, anti-Semitism, Protestant Reformation, and the encounter between Europe and Asia in a global perspective. His most recent books are: A Jesuit in the Forbidden City: Matteo Ricci, 1552-1610, Oxford, Oxford University Press, 2010 (It. transl.: Un gesuita nella citta Proibita. Matteo Ricci, 1552-1610, Bologna, Il Mulino, 2012); A Companion to Early Modern Catholic Global Missions, Leiden, Brill, 2018.