Rafał Rutkowski, PhD, associate professor at the Institute of Archaeology and Ethnology of the Polish Academy of Sciences. His research interests cover: history of medieval historiography (especially Scandinavian), Christianisation of medieval Europe. He is currently working on a project related to the motif of disguise in chivalric epics, and also participates in the Polish-Norwegian ELITES grant, devoted to the legitimacy of power in both countries.