Jon Stewart is a Research Fellow at the Institute of Philosophy of the Slovak Academy of Sciences. He has worked for many years in the field of nineteenth-century Continental philosophy with a specialization in Hegel and Kierkegaard.Patricia C. Dip is a Research Fellow at the National Council for Scientific and Technical Research (CONICET). She teaches metaphysics at the National University of General Sarmiento, and Contemporary Philosophy (Postgraduate Program) at the University of Buenos Aires. She has worked for many years in the field of post-Hegelian philosophy with a specialization in Kierkegaard.