Oribasius
Who was Oribasius?
Ancient Greek physician
Biographical data adapted from Wikipedia’s article on Oribasius (CC BY-SA 4.0).
Biography
Oribasius (c. 320–403 AD) was an ancient Greek physician and medical writer from Pergamon, a city with a strong link to Greek medical traditions and Galen's influence. He became a key figure in preserving Greek medical knowledge that might have otherwise been lost. He is best known as the personal physician and close friend of Roman Emperor Julian, sharing both a professional and personal relationship with him.
Oribasius studied medicine in Alexandria under Zeno of Cyprus. Alexandria was a leading center for medical learning at the time, significantly shaping his medical practice and scholarly goals. After his studies, he joined Julian, who was then Caesar in the western Roman Empire. Julian, with a strong interest in intellectual pursuits, asked Oribasius to compile an extensive medical encyclopedia based on earlier Greek physicians, a project that occupied much of his life.
Oribasius and Julian's relationship hit a critical point in 361 AD when Julian became Augustus and went against Emperor Constantius II. Oribasius was present at Julian's crowning and stayed with him during his rule. He accompanied Julian on the ill-fated Persian campaign in 363, where Julian died after a battle near the Tigris River. After Julian's death, Oribasius faced hardships, including banishment and losing his properties.
However, Emperor Valens eventually allowed Oribasius to return, restoring his status so he could continue his work. Oribasius lived until around 403 AD, witnessing significant changes in the Roman world. During and after his exile, he continued to refine and organize his medical writings to make Greek medical knowledge accessible to both physicians and educated readers.
His main work, the Synagogai or Medical Collections, originally spanned about seventy volumes, created at Julian's request and heavily based on Galen, Dioscorides, and other earlier experts. About thirty volumes still exist today. He also wrote a shorter version for his son Eustathius and a treatise called the Euporista, which offered easy remedies for those without access to a physician. The Hypomnema is another of his works, showing his dedication to organizing and sharing medical knowledge in various formats for different audiences.
Before Fame
Oribasius was born in Pergamon, a city in western Asia Minor known for its strong intellectual background and deep ties to the medical world. Pergamon was also the birthplace of Galen about two centuries earlier, and it had institutions and traditions that kept medical knowledge alive long after ancient times. Growing up there likely inspired Oribasius at a young age to pursue a career in Greek medicine.
For advanced medical training, Oribasius went to Alexandria in Egypt, the leading center for medical education at the time. There, he studied under Zeno of Cyprus, learning about the Galenic tradition and the wider body of Greek medical knowledge. It was probably through connections made during his time in Alexandria, or his rising reputation after his studies, that Oribasius caught the eye of Julian, a young man from an imperial family with a wide range of intellectual interests. Their meeting was the start of a partnership that would shape their futures.
Key Achievements
- Compiled the Synagogai, a monumental medical encyclopedia of up to seventy volumes drawing on the full breadth of Greek medical literature
- Served as personal physician to the Roman emperor Julian, accompanying him throughout his reign and military campaigns
- Produced the Euporista, a practical medical guide designed to make treatments accessible to readers without formal medical training
- Preserved the writings and doctrines of earlier Greek physicians, including substantial excerpts from authors whose original works no longer exist
- Authored the Hypomnema and a shorter synopsis of his encyclopedia dedicated to his son Eustathius, extending his work's reach across different audiences
Did You Know?
- 01.Emperor Julian personally commissioned Oribasius to compile his great medical encyclopedia, reportedly asking him to gather everything worth preserving from the whole of Greek medical literature.
- 02.Of the original seventy volumes of Oribasius's Synagogai, only around thirty survive, making the lost portions a significant gap in the transmission of ancient medical knowledge.
- 03.Oribasius was present on Julian's disastrous Persian campaign of 363 AD and was reportedly at the emperor's side when Julian died from a spear wound near the Tigris River.
- 04.After Julian's death, Oribasius was banished and his possessions were confiscated, yet he was later fully rehabilitated by the emperor Valens, who recalled him to Roman territory.
- 05.Oribasius lived to approximately 83 years of age, an extraordinary lifespan for the ancient world, and continued producing medical literature well into his later years.