Jean-Luc Marion, born in 1946. is a member of the French Academy and a honorary professor at the University of Paris-Sorbonne. Marion teaches at the University of Chicago and is director of the Dominican department Dibarl at the Catholic University of Paris. He has published many books on Descartes, phenomenology and theology (among others Dieu sans l’être [1982], Sur le prisme métaphysique de Descartes. Constitution et limites de l’ontothéologie cartésienne [1986], Réduction et donation. Recherches sur Husserl, Heidegger et la phénoménologie [1989], Étant donné. Essai d’une phénoménologie de la donation [1997], Au lieu de soi, l’approche de saint Augustin [2008]). Marions philosophy can be understood as radicalization of the phenomenological principle “towards things themselves”.