Barbara Klich-Kluczewska is an Associate Professor at the Jagiellonian University in Cracow and a cultural historian of twentieth-century Poland. Her fields of research include history of family, history of sexuality and gender, biopolitics and history of experts’ knowledge. Joachim von Puttkamer is Director of the Imre Kertész Kolleg Jena at the Friedrich Schiller University Jena. His research focusses on nationalism and statehood in modern Central and Eastern Europe. Immo Rebitschek is an Assistant Professor at the Department for Eastern European History at the Friedrich Schiller University Jena. He has published widely on the history of the Soviet procuracy in Stalinist Russia and is currently focussing his research on the history of famines in the late Russian empire.