The book illustrates very well the precious diversity of opinions in the field of Johannine studies.
Judith Lieu is Lady Margaret Professor of Divinity Emerita at the University of Cambridge, and taught previously at King's College London and Macquarie University, Sydney. She has researched and published extensively in the Johannine Literature and in the formation of early Christianity in the second century.
Martinus C. de Boer Martinus C. de Boer is Professor of New Testament Emeritus, Vrije Universiteit of Amsterdam. He taught earlier at the University of Manchester in England and at Princeton Theological Seminary in New Jersey, USA. His primary areas of research and publication have been the Letters of Paul and the Johannine Literature.