Mark Mazower _ is the author of _Inside Hitler's Greece, Dark Continent: Europe's Twentieth Century , The Balkans , which won the Wolfson Prize for History, and Salonika: City of Ghosts, which won both the Runciman Prize and the Duff Cooper Prize. He has taught at the University of Sussex, Princeton University and Birkbeck College, University of London. He is now Professor of History at Columbia University.