This study addresses the relation between the sixth century Christian author, Dionysius the Areopagite, and the French postmodern philosopher, Jean-Luc Marion (1946- ). The importance of the Dionysian writings (Corpus Areopagiticum) for Marion’s development of a new phenomenology of «saturation» and «givenness» is well known. Still the Dionysian key tone of his philosophy of art in The Crossing of the Visible is largely overlooked by scholars. This dissertation tries to demonstrate that the influence from Dionysius in this work is profound, most importantly in Marion’s thought on the appearance of the invisible in icons and other paintings, interpreted as an interplay between disclosure and concealment. The dissertation should be read as a ...