Katja Hoyer is a German-British historian and journalist. She is a Visiting Research Fellow at King's College London and a Fellow of the Royal Historical Society. Her essays have featured in History Today and BBC History Extra. Katja writes for The Washington Post, The Spectator, Die Welt and other newspapers on current political affairs in Germany and Europe. She is the author of the bestselling Blood and Iron – The Rise and Fall of the German Empire 1871-1918.