Saint Aiden, often referred to as the Apostle of Northumbria, was a 7th-century Irish monk and missionary who played a pivotal role in spreading Christianity in Anglo-Saxon England. Known for his piety, humility, and dedication to education and pastoral care, Saint Aiden founded the monastery of Lindisfarne, which became a significant center for Christian learning and evangelization. His gentle and compassionate approach to spreading the faith endeared him to many, leaving a lasting legacy in the Christian history of Britain. Aiden is also associated with a miraculous event involving a stag, where he and his followers were made invisible to their enemies, highlighting his connection with nature and divine protection.