Serhii Plokhii is the Mykhailo S. Hrushevs'kyi Professor of Ukrainian History and the Director of the Ukrainian Research Institute at Harvard University. His interests include the intellectual, cultural, and international history of Eastern Europe, with an emphasis on Ukraine. He is the author of, among others, The Russo-Ukrainian War: The Return of History (W.W. Norton, 2023); Atoms and Ashes: A Global History of Nuclear Disasters (W.W. Norton, 2022); The Frontline: Essays on Ukraine's Past and Present (HURI, 2021); Nuclear Folly: A History of the Cuban Missile Crisis (W. W. Norton, 2021); Forgotten Bastards of the Eastern Front: American Airmen behind the Soviet Lines and the Collapse of the Grand Alliance (Oxford University Press, 2019); Chernobyl: The History of a Nuclear Catastrophe (Basic Books, 2018); and The Gates of Europe: A History of Ukraine (Basic Books, 2015). His books have won numerous awards, including the Ballie Gifford Prize and the Shevchenko National Prize (2018).