The Research Centre for Byzantine and Post-Byzantine Art of the Academy of Athens is organizing the Annual Lecture in Memory of its Founder Academician Manolis Chatzidakis (1909-1998), eminent Byzantinist, General Director of Antiquities, Director of the Byzantine and Christian Museum and the Benaki Museum. The invited speaker is the architect Dr. Tassos Tanoulas, former in charge of the Restoration Project of the Propylaea of the Athenian Acropolis (Europa Nostra 2013), who will present the lecture: “The graffiti on the Propylaia of the Acropolis at Athens”.