Prof. Dr. Friedhelm Prayon, University of Tübingen, Germany delivers the 2011 Haynes Lecture. Held at The Ioannou School for Classical and Byzantine Studies, Oxford University. Introduced by Prof. Bert Smith. Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales; http://creativecommons.org/licenses/by-nc-sa/2.0/uk/