Thomas Asbridge is Reader in Medieval History at Queen Mary, University of London, and the author of 'The Greatest Knight: The Remarkable Life of William Marshal, the Power Behind Five English Thrones' (2015), 'The Crusades: The War for the Holy Land' (2010) and 'The First Crusade: A New History' (2004). He studied for a BA in Ancient and Medieval History at Cardiff University, and then gained his PhD in Medieval History at Royal Holloway, University of London.

Thomas wrote and presented a BBC Two documentary, 'The Greatest Knight: William Marshal', and a landmark three-part documentary series 'The Crusades' for BBC Two, filmed on location across the Near East and Europe. He also developed and presented the documentary 'The Crusader's Lost Fort' for BBC Two's Timewatch strand and has appeared in many other internationally broadcast television documentaries and radio programmes. He has worked as a historical consultant for HBO and Company Pictures.

For more information visit: www.thomasasbridge.com