Serhii Plokhii is the Mykhailo Hrushevsky Professor of Ukrainian History and the director of the Ukrainian Research Institute at Harvard University. A leading authority on Ukraine, Russia, and Eastern Europe, he has published extensively on the international history of World War II and the Cold War. His books won numerous awards, including the Lionel Gelber Prize for the best English-language book on the international relations and the Ballie Gifford Prize for Non-Fiction (UK). His new book, Atoms and Ashes: A Global History of Nuclear Disasters will be released by W.W. Norton in May 2022.