Pietro Colletta was a Neapolitan general and historian, entered the Neapolitan artillery in 1796 and took part in the campaign against the French in 1798.
Pietro d'Abano, also known as Petrus de Apono, Petrus Aponensis or Peter of Abano, was an Italian philosopher, astrologer, and professor of medicine in Padua. He was born in the Italian town from which he takes his name, now Abano Terme. He gained fame by writing Conciliator Differentiarum, quae inter Philosophos et Medicos Versantur. He was eventually accused of heresy and atheism, and came before the Inquisition. He died in prison in 1315 before the end of his trial.
Pietro Giannone was an Italian philosopher, historian and jurist born in Ischitella, in the province of Foggia. He opposed the papal influence in Naples, for which he was excommunicated and imprisoned for twelve years until his death.
