Hiroaki Kuromiya is a professor of history emeritus, Indiana University, USA. He has authored, among others, Freedom and Terror in the Donbas: A Ukrainian-Russian Borderland, 1870s-1990s (1998), Stalin (Profiles in Power) (2005), The Voices of the Dead: Stalin's Great Terror in the 1930s (2007), Conscience on Trial: The Fate of Fourteen Pacifists in Stalin's Ukraine, 1952-1953 (2012), and Zrozumity Donbas (2015), and coauthored Miedzy Warszawa a Tokio: Polsko-japonska wspólpraca wywiadowcza 1904-1944 (2009, with Andrzej Peplonski) and The Eurasian Triangle: Russia, The Caucasus, and Japan, 1904-1945 (2016, with Georges Mamoulia).