Alberto Ferreiro , Ph.D, is a Professor of European History at Seattle Pacific University. He has published over 100 articles in patristics and medieval studies in prestigious journals such as Church History , Journal of Ecclesiastical History , Harvard Theological Review , Vigiliae Christianae , Studia monastica , Hagiographica , Revue d'histoire ecclésiastique , Hispania sacra , Vetera Christianorum , Anuario de estudios medievales and Zeitschrift für antikes Christentum among others and in published acts of major conferences. His latest books are Simon Magus in Patristic, Medieval and Early Modern Traditions (Brill, 2005) and The Visigoths in Gaul and Iberia (Update): A Supplemental Bibliography, 2010-2012 (Brill, 2014).