is a Professor of Philosophy in the Institute of Philosophy and Sociology of the Polish Academy of Sciences. The fields of his research include: phenomenology, philosophical anthropology and philosophy of politics. He is the author of: Philosophy and Guillotine. The Traditionalism of Joseph de Maistre as Political Hermeneutics (1996), Politics and Geometry. The Phenomenology of Edmund Husserl and the Problem of Democracy (2008), Antinomies of Radicalism. The Political Phenomenology in Germany 1914-1933 (2015).