Huub van de Sandt, Ph.D. (1984) in History of New Testament Exegesis, Utrecht University, is Lecturer in New Testament Studies at Tilburg University. He is the editor of Matthew and the Didache: Two Documents from the Same Jewish-Christian Milieu? and co-author of The Didache: Its Jewish Sources and Its Place in Early Judaism and Christianity (both from Van Gorcum and Fortress). Jürgen K. Zangenberg, Ph.D. (1996) in New Testament Studies, University of Heidelberg, is Professor of New Testament Exegesis and Early Christian Literature at Leiden University. He is the co-editor of Christians as a Religious Minority in a Multicultural City: Modes Of Interaction and Identity Formation in Early Imperial Rome (Continuum) and Religion, Ethnicity, and Identity in Ancient Galilee: A Region in Transition (Mohr Siebeck).