Zopyrus was a surgeon at Alexandria

Alexandria

Alexandria is the second-largest city of Egypt, with a population of 4.1 million, extending about along the coast of the Mediterranean Sea in the north central part of the country; it is also the largest city lying directly on the Mediterranean coast. It is Egypt's largest seaport, serving...

, and the tutor of Apollonius of Citium and Posidonius

Posidonius

Posidonius "of Apameia" or "of Rhodes" , was a Greek Stoic philosopher, politician, astronomer, geographer, historian and teacher native to Apamea, Syria. He was acclaimed as the greatest polymath of his age...

. He invented an antidote

Antidote

An antidote is a substance which can counteract a form of poisoning. The term ultimately derives from the Greek αντιδιδοναι antididonai, "given against"....

, which he recommended to Mithridates VI of Pontus

Mithridates VI of Pontus

Mithridates VI or Mithradates VI Mithradates , from Old Persian Mithradatha, "gift of Mithra"; 134 BC – 63 BC, also known as Mithradates the Great and Eupator Dionysius, was king of Pontus and Armenia Minor in northern Anatolia from about 120 BC to 63 BC...

, and wrote a letter to that king, begging to be allowed to test its efficacy on a criminal. Another somewhat similar composition he prepared for one of the Ptolemies

Ptolemaic dynasty

The Ptolemaic dynasty, was a Macedonian Greek royal family which ruled the Ptolemaic Empire in Egypt during the Hellenistic period. Their rule lasted for 275 years, from 305 BC to 30 BC...

. Some of his medical formulae are quoted and mentioned by various ancient authors, viz. Caelius Aurelianus

Caelius Aurelianus

Caelius Aurelianus of Sicca in Numidia was a Roman physician and writer on medical topics. He is best known for his translation from Greek to Latin of a work by Soranus of Ephesus, On Acute and Chronic Diseases. He probably flourished in the 5th century, although some place him two or even three...

, Oribasius

Oribasius

Oribasius or Oreibasius was a Greek medical writer and the personal physician of the Roman emperor Julian the Apostate. He studied at Alexandria under physician Zeno of Cyprus before joining Julian's retinue. He was involved in Julian's coronation in 361, and remained with the emperor until...

, Aetius

Aëtius Amidenus

Aëtius of Amida was a Byzantine physician and medical writer, particularly distinguished by the extent of his erudition. Historians are not agreed about his exact date...

, Paul of Aegina

Paul of Aegina

Paul of Aegina or Paulus Aegineta was a 7th-century Byzantine Greek physician best known for writing the medical encyclopedia Medical Compendium in Seven Books...

, Marcellus Empiricus

Marcellus Empiricus

Marcellus Empiricus, also known as Marcellus Burdigalensis , was a Latin medical writer from Gaul at the turn of the 4th and 5th centuries. His only extant work is the De medicamentis, a compendium of pharmacological preparations drawing on the work of multiple medical and scientific writers as...

, and Nicolaus Myrepsus. Pliny

Pliny the Elder

Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

 and Dioscorides

Pedanius Dioscorides

Pedanius Dioscorides was a Greek physician, pharmacologist and botanist, the author of a 5-volume encyclopedia about herbal medicine and related medicinal substances , that was widely read for more than 1,500 years.-Life:...

 mention that a certain plant was called zopyron, perhaps after his name. Nicarchus

Nicarchus

Nicarchus or Nicarch was a Greek poet and writer of the 1st century AD, best known for his epigrams, of which forty-two survive under his name in the Greek Anthology, and his satirical poetry. He was a contemporary of, and influence on, the better-known Latin writer Martial. A large proportion of...

 satirizes a physician named Zopyrus in one of his epigram

Epigram

An epigram is a brief, interesting, usually memorable and sometimes surprising statement. Derived from the epigramma "inscription" from ἐπιγράφειν epigraphein "to write on inscribe", this literary device has been employed for over two millennia....

s.