dr hab. Karol Chrobak – assistant professor in the Institute of Philosophy at the Faculty of Social Sciences at the Warsaw University of Life Sciences (SGGW). Author’s academic interests focus primarily on philosophical anthropology, philosophy of culture, and social philosophy. He is the author of two philosophical monographs: one devoted to Helmuth Plessner’s philosophy of life (Między naturą a kulturą, Warszawa 2014), and another one to Leon Chwistek’s theory of plurality of realities (Niejedna rzeczywistość, Kraków 2004). He also translates philosophical texts (e.g. Leon Chwistek. The Plurality of Realities: Collected Essays, Kraków 2018).