Hanna Rajfura, PhD – postdoctoral researcher at the Faculty of History, University of Warsaw (Department of Auxiliary Sciences of History, Source Studies and Methodology of History). In 2022, she defended PhD thesis in history entitled “‘The Catalogue of the Archbishops of Gniezno’ by Jan Długosz: A Study in Source Criticism and Historical Memory of the Late Middle Ages” (University of Warsaw). From 2016 to 2022, she ran a project “Pamięć historyczna środowisk kościelnych w Polsce późnego średniowiecza i wczesnej nowożytności. Jana Długosza ‘Katalog arcybiskupów gnieźnieńskich’ i jego kontynuacje na tle europejskim” [= “Historical memory of Church circles in Poland in the late Middle Ages and Early Modern Age. John Długosz’s ‘Catalogue of the Archbishops of Gniezno’ and its continuations on the European background”] (Diamentowy Grant, funding: Ministry of Education and Science). Her academic interests include critical source studies, codicology, editing historical sources, and digital humanities.