Bartosz Dziewanowski-Stefańczyk is a Research Fellow at the Tadeusz Manteuffel Institute of History of the Polish Academy of Sciences in Warsaw, Poland and deputy head of the Research Department of the European Network Remembrance and Solidarity. His fields of research are Polish–German relations, Polish cultural diplomacy, memory politics and textbook studies.Maciej Górny is a Professor at the Tadeusz Manteuffel Institute of History of the Polish Academy of Sciences in Warsaw, Poland and foreign member of the Austrian Academy of Sciences. His research interests are East Central Europe in the nineteenth and twentieth centuries, the history of historiography, geography and culture, discourses on race and the First World War.Katrin Steffen is a Senior Researcher and Deputy Director at the Nordost-Institut Lüneburg at the University of Hamburg and a Fellow of the Weidenfeld Institute of Jewish Studies at the University of Sussex, where she was a Professor of European and Jewish History and Culture. Her research interests are Polish–Jewish–German relations in the twentieth century, memory studies and the transnational history of science.