Helmut Koester is John H. Morison Research Professor of Divinity and Winn Research Professor of Ecclesiastical History at Harvard Divinity School in Cambridge, Massachusetts, and Chair of the New Testament Board of the Hermeneia commentary series. He is editor of numerous volumes in the Hermeneia series as well as Cities of Paul: Images and Interpretations from the Harvard New Testament and Archaeology Project on CD-ROM (2004, 978-0-8006-3673-9) and author of Paul and His World: Interpreting the New Testament in Its Context (2007, 978-0-8006-3890-0). Francois Bovon (1938-2013)was Frothingham Professor of the History of Religion at Harvard Divinity School. His publications have appeared in French, German, and English; his English-language books include Luke the Theologian (1985) and New Testament Traditions and Apocryphal Narratives (1995). He was also coeditor of Exegesis: Problems of Method and Exercises in Reading (1978).
