Dr Werner Meyer distinguished archaeologist, is Professor Emeritus of Medieval Studies at the University of Basel, Switzerland. Since the1960s he has been the leading expert on the archaeology of medieval fortifications in Switzerland. He has published widely on the cultural history and archaeology of the Middle Ages and has also achieved success at the famous site of Krak des Chevaliers in Syria, where he led an excavation team from 2003 through 2007.Photo: Heinz Dieter Finck.