Saint Thomas Aquinas

Triumph of St. Thomas Aquinas, "Doctor Angelicus", with saints and angels, Andrea di Bonaiuto, 1366. Basilica of Santa Maria Novella, fresco

Saint Thomas Aquinas (San Tommaso d’Aquino) was one of the most prolific theologians of all time. He is considered one of the pioneers of the philosophy of the Catholic Church and hence was hugely influential in both religious and political life.