Mariusz Kalczewiak Mariusz Kalczewiak is Senior Research Associate and Lecturer at the University of Potsdam, Germany, and at the University of Warsaw, Poland. His first book, Polacos in Argentina: Polish Jews, Interwar Migration, and the Emergenc of Transatlantic Jewish Culture (University of Alabama Press, 2020) won the 2020 Best Book Award of the Latin American Jewish Studies Association. Read More Read Less