He also started two excavations in Italy, in Ostia Antica (the Schola del Traiano) and in Garaguso (Basilicata). He is known as a major specialist of ancient iconography. His master work, l'Ilioupersis dans la céramique Italiote, is considered to be an important publication on South Italian vase painting and iconography.
He also initiated two excavations in Italy, at Ostia Antica (the Schola del Traiano) and Garaguso (Basilicata). He is renowned as a leading authority on ancient iconography. His magnum opus, l'Ilioupersis dans la céramique Italiote, is regarded as a seminal work on South Italian vase painting and iconography.