The death of Caesarius of Nazianzus in 368 concluded a career that balanced the demands of imperial medicine against the shifts of late Roman politics. Born in 330 at the family villa of Arianzos, he emerged from his early education as a practitioner who rapidly eclipsed his peers in the study of medicine, astronomy, and geometry.
Medical Practice and Imperial Service
After completing his studies, likely in Caesarea Mazaca and Alexandria, Caesarius arrived in Constantinople around 355. His medical reputation secured him a position at the court of Constantius II. He remained in service under Julian the Apostate, resisting imperial pressure to embrace restored paganism. Although he briefly stepped away from court life, he resumed his duties following the death of Julian in 363. His expertise allowed him to navigate the complex social landscape of the Byzantine capital, distinguishing him from his brother, Gregory of Nazianzus, who focused on religious pursuits.
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During the reign of Emperor Valens, Caesarius assumed the role of quaestor of Bithynia, an administrative post tasked with treasury and tax collection responsibilities. His tenure was marked by the seismic event of 11 October 368, when an earthquake struck Nicaea. Although he survived the disaster, he died shortly thereafter during the widespread plague that gripped the region. At the time of his death, he had recently received baptism, a practice he had postponed until late in his life.
Historical Legacy and Estate
Following his death, the remaining assets of his estate were distributed to the poor and surviving family members, as directed by his brother Gregory. His remains were interred at Nazianzus, where Gregory delivered a funeral oration that established the foundation for his eventual canonization as a saint in the Eastern Orthodox and Roman Catholic churches. Modern scholarship disputes the attribution of various dialogues and specific political actions, such as an imprisonment by Procopius in 365, to him, favoring instead the details provided in the funeral eulogy.
Fast facts
- Born: 330, Arianzos
- Died: 368, Bithynia
- Positions: Physician, quaestor
- Languages: Ancient Greek
- Known associates: Gregory of Nazianzus, Julian the Apostate
Questions readers ask
Was Caesarius the author of the four Dialogues attributed to him?
No, scholars generally consider these texts to be spurious due to their contents and anachronisms.
Did Caesarius serve as Prefect of Constantinople?
There is no solid historical evidence for this claim, which rests on an assumption made by Jacques Godefroy.
