Sarah Gruszka, born in 1985, is a historian specialized in World War II in the Soviet Union and in Soviet subjectivity studies. She is a member of CERCEC (School for Advanced Studies in the Social Sciences/EHESS) and a research fellow at the Joint Research Unit (UMR-8224) Eur’ORBEM (CNRS/Faculté des Lettres – Sorbonne Université). She is the author of a dozen publications (most of them peer-reviewed) on the memory of WWII in the USSR and Russia, on the history of the Siege of Leningrad, and on Soviet diary practices. She is co-editor of “Ego-documents and Personal Archives in Russia from Middle Ages to Present” (Paris, Revue des études slaves, fasc. 1, 2021). She also contributes to the “Critical Encyclopedia of Testimony and Memory” (Philippe Mesnard and Luba Jurgenson eds.). Her PhD thesis, which she defended at the Sorbonne University in 2019, was awarded the “Prix de la Chancellerie des Universités de Paris”.