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Dr Heather Jones is Associate Professor at the Department of International History London School of Economics and Political Science. Dr Jones is the author of Violence against Prisoners of War in the First World War.
Robin Schäfer is a German military historian. His latest book Fritz and Tommy: Across the Barbed Wire is co-authored with Peter Doyle.
Paul Reed is a military historian and author specialising in the First and Second World Wars.
Dan sits down with James Holland to talk about Operation Argument in February 1944, the biggest air battle of World War Two.