Serhii Plokhy is the Mykhailo Hrushevsky Professor of Ukrainian History at Harvard and the director of the university's Ukrainian Research Institute. The author of numerous books, including "The Last Empire," which received the Lionel Gelber Prize for the best book on international relations, and "Chernobyl," which was awarded the Baillie Gifford Prize for non-fiction, Plokhy lives in Burlington, Massachusetts.