In the second episode of The Heart of the Researcher, Kostis Kotsonis welcomes Antonia Moropoulou, an emeritus professor at the National Technical University of Athens and a member of the administrative committee of the Technical Chamber of Greece. Originating from her hometown of Rhodes, Professor Moropoulou dedicated herself to protecting and restoring cultural heritage, using Material Science and Engineering as her tools. Among her most significant contributions are her interventions at Hagia Sophia in Istanbul and the Holy Sepulchre in Jerusalem.