The Tome to Flavian, read at Chalcedon, states that Christ is one person in two natures. His sermons for the liturgical year are the finest Latin preaching of the fifth century.

Leo the Great
Bishop of Rome
Leo the Great (c. 400–461) was bishop of Rome from 440. He met Attila, dealt with the collapse of imperial order in the West, and taught a clear doctrine of Christ.
- Dates
- c. 400–461
- Role
- Bishop of Rome
- See
- Italy