Malcolm Brown is our leading World War I historian. He is the author of Twelve Days on the Somme, Verdun 1916, and The Imperial War Museum Book of the Western Front. Marco Ferro is the most esteemed militry historian in France and director of studies at the Ecole des Hautes Etudes. Remy Cazals is the professor of history at the University of Toulouse. Olaf Mueller is a researcher who has worked on a number of books on the Great War.