Libanius was a teacher of rhetoric of the Sophist school in the Eastern Roman Empire. His prolific writings make him one of the best documented teachers of higher education in the ancient world and a
Libanius as imagined in an eighteenth-century woodcut
John Chrysostom was a Church Father who served as Archbishop of Constantinople. He is known for his preaching and public speaking, particularly on the poor his Divine Liturgy of Saint John Chrysostom,
Libanius
…against a physician charged with poisoning some of his patients. Although Libanius was not a Christian his students included such notable Christians as John Chrysostom and Theodore of Mopsuestia. Despite his friendship with the pagan restorationist Emperor Julian he was made an honorary praetorian prefect by the…
Byzantine mosaic at the Hagia Sophia, late 10th century
John Chrysostom confronting Aelia Eudoxia, in a 19th-century anti-clerical painting by Jean-Paul Laurens
The exile of John Chrysostom; scene from the 11th-century Menologion of Basil II
Byzantine 11th-century soapstone relief of John Chrysostom, Louvre