Cornelius, + 253 in exile in Civitavecchia; opposed Novatian and the rigorists in the lapsi controversy; buried in the cemetery of Callistus. Cyprian, decapitated 14 Sept. 258 under Valerian; ally of St. Cornelius; bishop of Carthage; wrote On the Unity of the Catholic Church; Cyprian disagreed with Pope Stephen I over the question of the rebaptism of heretics and schismatics; first African bishop to be martyred; patron of North Africa and of Algeria; both mentioned in the Roman Canon.