Serhii Plokhy is the author of Chernobyl: History of a Tragedy , which won the Baillie Gifford Prize and the Pushkin House Book Prize, and the New York Times bestseller The Gates of Europe. His many acclaimed books, including The Russo-Ukrainian War, Nuclear Folly and Atoms and Ashes , have been translated into over a dozen languages. He is Professor of History at Harvard University where he also serves as Director of the Harvard Ukrainian Research Institute.