As April 2015 marked the 70th anniversary of the death of Adolf Hitler, this documentary investigates the before, during and final days of the most terrifying dictator of the western world. The three-part series features rare archive footage and expert analysis from Sir Richard Evans, Regius Professor of History at the University of Cambridge; Martin Kemp, Emeritus Professor of the History of Art, Oxford University; and Nicolas O'Shaugnessy, Professor of Communication at Queen Mary, University of London