Timothy Snyder is Richard C. Levin Professor of History at Yale University. He is the author of Nationalism, Marxism, and Modern Central Europe, The Reconstruction of Nations: Poland, Ukraine, Lithuania, Belarus, 1569-1999, Bloodlands: Europe Between Hitler and Stalin, On Tyranny: Twenty Lessons from the Twentieth Century, and The Road to Unfreedom: Russia, Europe, and America. Snyder’s work has been translated into forty languages, he has received state orders from Estonia, Lithuania, and Poland, and he is the winner of the Hannah Arendt Prize in Political Thought.