The closest reference you'll find is on a ramp leading to the Port a Soprana, a medieval turreted gate on Piazza Dante, where there is an obscure plaque indicating the house of the discoverer's father.
Port a Soprana was rebuilt in the late 17th century.
mnli hypothesis: Port a Soprana was rebuilt in the late 17th century. premise: The closest reference you'll find is on a ramp leading to the Port a Soprana, a medieval turreted gate on Piazza Dante, where there is an obscure plaque indicating the house of the discoverer's father.