Saint Gregory I, also known as Pope Gregory I or Gregory the Great, was a sixth-century Saint and Pope who left a significant impact on the Church and Christianity as a whole. Some synonyms for Saint Gregory I may include Gregory the Great, Pope Gregory the First, Saint Gregory the Dialogist or even Doctor of the Church. He was known for his extensive theological writings and for his adoption of a more pastoral, caring approach to the papacy. Saint Gregory I is also known for his involvement in music, as he encouraged the development of Gregorian chant in the Church. His lasting legacy has contributed greatly to the development of the Catholic Church and spiritual life.