Oliver von Paderborn

Oliver of Paderborn, also known as Oliver Scholasticus or Oliver of Cologne, was a German cleric, crusader and chronicler. He was the bishop of Paderborn from 1223 until 1225, when Pope Honorius III made him cardinal-bishop of Sabina. He was the first Paderborn bishop to become a cardinal. Oliver played a significant role in the Crusades as a preacher, participant and chronicler.