Helen Nicholson is Professor in Medieval History at Cardiff University. Having completed her initial degree at the University of Oxford, she obtained her PhD at the University of Leicester (1990) under the supervision of Norman Housley. After a short period of teaching at the University of Leicester, in 1994 she obtained the post of lecturer in History at Cardiff University, where she has followed a cursus honorum which culminated in 2013 in promotion to a personal chair. She was Head of the History Department at Cardiff University 2012–15. Her research focusses on the history of the Crusades and the Military Religious Orders. Within these areas she has published on ‘fictional’ literature as an historical source, relations between the Military Orders and their patrons, and the role of women within the Military Orders, in addition to general military history. In 2003–2004 she held a British Academy/Leverhulme Trust Senior Research Fellowship, to complete the transcription and translation of documents relating to the trial of the Templars in the British Isles, which was published in 2011 as The Proceedings Against the Templars in the British Isles. Other books include The Knights Templar on Trial (2009), Knights Hospitaller (2001), The Knights Templar: A New History (2001), and Chronicle of the Third Crusade: A Translation of the Itinerarium Peregrinorum et Gesta Regis Ricardi (1997), and she has also edited and co-edited several collections of scholarly papers. She is currently studying the Templars’ estates in England and Wales, focussing on the records produced by the royal officials during the years 1308–1313, which are preserved at Kew in the National Archives of the U.K.