Edwin Pace has an advanced degree in European history and honed his analytical skills in a three-decade long career as an intelligence analyst, working for both NSA and GCHQ. He has published half a dozen peer-reviewed articles on various aspects of the research behind this book in the Journal of the Australian Medieval Society and Arthuriana. He has defended parts of his hypothesis in conferences at the University of Boulogne (ULCO), Western Michigan University, and the International Arthurian Society, British Branch. He is the author of a work of popular history, Arthur and the Fall of Roman Britain.