Giles of Rome (1243–1316)

Augustinian archbishop and political philosopher. Giles of Rome was an Italian medieval philosopher and Scholastic theologian and a friar of the Order of St Augustine, who was also appointed to the positions of prior general of his order and as Archbishop of Bourges. He is famed as being a logician, who produced a commentary on the Organon by Aristotle, and as the author of two important works: De ecclesiastica potestate, a major text of early-14th-century papalism, and De regimine principum, a guide book for Christian temporal leadership. Giles was styled Doctor Fundatissimus by Pope Benedict XIV.