Asclepiades Pharmacion or Asclepiades Junior (1st-2nd century), a Greek physician who must have lived at the end of the 1st or the beginning of the 2nd century, as he quotes Andromachus

Andromachus (physician)

Andromachus was the name of two Greek physicians, father and son, who lived in the time of Nero.*Andromachus the Elder, was born in Crete, and was physician to Nero, 54-68 AD...

, 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:...

, and Scribonius Largus

Scribonius Largus

Scribonius Largus was the court physician to the Roman emperor Claudius.About 47 AD, at the request of Gaius Julius Callistus, the emperor's freedman, he drew up a list of 271 prescriptions , most of them his own, although he acknowledged his indebtedness to his tutors, to friends and to the...

, and is himself quoted by Galen

Galen

Aelius Galenus or Claudius Galenus , better known as Galen of Pergamon , was a prominent Roman physician, surgeon and philosopher...

. He derived his surname of Pharmacion from his skill and knowledge of pharmacy

Pharmacy

Pharmacy is the health profession that links the health sciences with the chemical sciences and it is charged with ensuring the safe and effective use of pharmaceutical drugs...

, on which subject he wrote a work in ten books, five on external remedies, and five on internal. Galen quotes this work very frequently, and generally with approbation.