Pelagius (ca. 354 – ca. 420/440) was an ascetic monk and reformer who denied the doctrine of original sin, later developed by Augustine of Hippo, inherited from Adam and was declared a heretic by the Roman Catholic Church. His interpretation of a doctrine of free will became known as Pelagianism. He was well educated, fluent in both Greek and Latin, and learned in theology. He spent time as an ascetic, focusing on practical asceticism, which his teachings clearly reflect. He was not, howe… (More on Pelagius)