Robert Tomson Fortna is Weyerhaeuser Professor Emeritus of Biblical
Studies, Vassar College, Poughkeepsie, New York. His other books in
Johannine studies include The Gospel of Signs (Cambridge Univ.
Press, 1970), Jesus in Johannine Tradition (co-editor with Tom
Thatcher; Westminster John Knox, 2001), and The Shepherd Discourse
of John 10 and its Context (co-editor with Johannes Beutler;
Cambridge Univ. Press, 2005).