Pelagius of Albano was a Christian theologian and monk who lived in the late 4th and early 5th centuries. He is best known for his teachings on free will and grace, which sparked significant debate within the early Christian church. Pelagius argued that humans have the ability to choose good or evil without the need for divine intervention, a view that contrasted sharply with the teachings of Augustine of Hippo. His ideas led to the development of Pelagianism, a theological stance that emphasized human autonomy in moral decision-making. This perspective was ultimately condemned by the church, leading to a lasting impact on Christian doctrine regarding sin and salvation. Pelagius's legacy continues to be discussed in theological circles today.