Rhea Silvia
He was a pupil of Johann Heinrich Wilhelm Tischbein at the Academy of Fine Arts of Naples, but was sent with a stipend to study in the Academy of St Luke in Rome. In 1803, Saja became member of the Roman Academy. He painted "La Vestale", about the legend of the "Burial Alive of the Vestal Virgin Rhea Silvia". He also painted the "Apotheosis of the Government of Ferdinand I, King of the Two Sicilies" ("La Gloria dei Borbone", 1816) for the Palace of Caserta.