Serhii Plokhy received his doctorate in history from Kyiv University in 1990. He was the chair of the Department of World History at Dnipropetrovsk University and conducted research at the Institute of Archeography and Source Studies of the National Academy Sciences of Ukraine, where he headed the Department of the History of Culture. He currently serves as the Associate Director of the Peter Jacyk Centre and the Director of the Church Studies Program at CIUS Press. He is the author of The Cossacks and Religion in Early Modern Ukraine (2001) (Ukrainian translation: 2006), Tsars and Cossacks: A Study in Iconography (2002), and Unmaking Imperial Russia: Mykhailo Hrushevsky and the Writing of Ukrainian History (2005).

Frank E. Sysyn is Director of the Peter Jacyk Centre for Ukrainian Historical Research at the Canadian Institute of Ukrainian Studies and Editor-in-Chief of the Hrushevsky Translation Project. He is a co-editor of Culture, Nation and Identity: The Ukrainian-Russian Encounter, 1600-1945 (2003), the author of Between Poland and Ukraine: The Dilemma of Adam Kysil, 1600-1653 (1985), and Mykhailo Hrushevsky: Historian and National Awakener (2001).