Appointed professor of history at Lviv University in 1894, Mykhailo Hrushevsky became a leading figure in the scholarly and cultural community of Western Ukraine. In 1918 in Kyiv, he became head of the government of the independent Ukrainian state. From 1924 to 1931, he organized historical studies at the All-Ukrainian Academy of Sciences. An extraordinarily prolific writer, he produced some 2,000 scholarly works. Andrij Kudla Wynnyckyj translated for the Encyclopedia of Ukraine (198691), translated a collection of memoirs titled The Great Famine in Ukraine 19321933 (1988), and collaborated with the Holodomor Research and Education Consortium (201215). His translations into Ukrainian include selected poetry of Sappho, Baudelaire, Langston Hughes, and García Lorca, among others, as well as the prose of Gustave Flaubert and Primo Levi. Robert Frost holds the Burnett Fletcher Chair of History at the University of Aberdeen. He studies the history of eastern and northern Europe from the fourteenth to the nineteenth century. His principal research interests are the history of Poland-Lithuania and warfare in the early modern period. He is the author of The Oxford History of Poland-Lithuania, vol. 1, The Making of the Polish-Lithuanian Union, 13851569 (Oxford, 2015). Yaroslav Fedoruk is a senior scholar at the Mykhailo Hrushevsky Institute of Ukrainian Archaeography and Source Studies, National Academy of Sciences of Ukraine, Kyiv. A specialist in seventeenth-century international relations, he has published many studies of Bohdan Khmelnytsky's foreign policy, including The Treaty of Vilnius (1656): The East European Crisis and Ukraine in the Mid-Seventeenth Century (2011; in Ukrainian). He is also editor of Ukraïns'kyi arkheohrafichnyi shchorichnyk (Ukrainian Archaeographic Annual, Kyiv). Frank E. Sysyn is director of the Peter Jacyk Centre for Ukrainian Historical Research at the Canadian Institute of Ukrainian Studies and professor in the Department of History and Classics at the University of Alberta. He serves as editor in chief of the Hrushevsky Translation Project. A specialist in Ukrainian and Polish history, Sysyn is the author of Between Poland and the Ukraine: The Dilemma of Adam Kysil, 1600–1653 (1985), Mykhailo Hrushevsky: Historian and National Awakener (2001), and many studies on the Khmelnytsky Uprising, Ukrainian historiography, and early modern Ukrainian political culture. Myroslav Yurkevich was senior editor at the Canadian Institute of Ukrainian Studies and on the Hrushevsky Translation Project. He was managing editor of several volumes of the English edition of Mykhailo Hrushevsky's History of Ukraine-Rus'.