Sylwia Wilczewska is an adjunct at the Institute of Philosophy and Sociology of the Polish Academy of Sciences. The topic of her PhD thesis in philosophy was the history of agnosticism in the philosophy of religion from the 19th century to the present day. Her principal interests include agnosticism and its relationship to pragmatism, philosophy in and of literature, and the intersection between epistemology, aesthetics, and the theory of practical reason—also in historical contexts. She has also published on apophaticism, religious language, and the nature of religious faith.