Alexander Philalethes was an ancient Greek physician, whom Priscian

Priscian

Priscianus Caesariensis , commonly known as Priscian, was a Latin grammarian. He wrote the Institutiones grammaticae on the subject...

 called Alexander Amator Veri (Alexander Truth-Lover), and who was probably the same person quoted by 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...

 under the name of Alexander Laodicensis. He lived probably towards the end of the 1st century, as Strabo

Strabo

Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

 speaks of him as a contemporary. He was a pupil of Asclepiades

Asclepiades

Asclepiades may refer to:* Asclepiades of Phlius, philosopher in the Eretrian school of Philosophy* Asclepiades of Samos, lyric poet* Asclepiades of Bithynia, Asclepiades may refer to:* Asclepiades of Phlius, (4th–3rd century BC) philosopher in the Eretrian school of Philosophy* Asclepiades of...

, succeeded an otherwise unknown Zeuxis as head of a celebrated Herophilean

Herophilos

Herophilos , sometimes Latinized Herophilus , was a Greek physician. Born in Chalcedon, he spent the majority of his life in Alexandria. He was the first scientist to systematically perform scientific dissections of human cadavers and is deemed to be the first anatomist. Herophilos recorded his...

 school of medicine, established in Phrygia

Phrygia

In antiquity, Phrygia was a kingdom in the west central part of Anatolia, in what is now modern-day Turkey. The Phrygians initially lived in the southern Balkans; according to Herodotus, under the name of Bryges , changing it to Phruges after their final migration to Anatolia, via the...

 between Laodicea

Laodicea on the Lycus

Laodicea on the Lycus was the ancient metropolis of Phrygia Pacatiana , built on the river Lycus , in Anatolia near the modern village of Eskihisar , Denizli Province,...

 and Carura

Carura

Carura was an ancient town of Asia Minor on the north-eastern border of Caria.Its position east of the range of Cadmus assigns it to Phrygia, under which country Strabo describes it. It was on the south side of the Maeander River, 20 miles west of Laodicea to Ephesus...

, and was tutor to Aristoxenus

Aristoxenus (physician)

Aristoxenus was a Greek physician of Asia Minor who was quoted by Caelius Aurelianus. He was a pupil of Alexander Philalethes and contemporary of Demosthenes Philalethes, and must therefore have lived around the 1st century. He was a follower of the teachings of Herophilos, and studied at the...

 and Demosthenes Philalethes

Demosthenes Philalethes

Demosthenes Philalethes was an ancient Greek physician of Asia Minor who was one of the pupils of Alexander Philalethes, a contemporary of Aristoxenus, and a follower of the teachings of Herophilos. He succeeded Alexander as the head of the Herophilean school of medicine in Carura...

. He is several times mentioned by Galen

Galen

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

 and also by Soranus

Soranus (Greek physician)

Soranus was a Greek physician from Ephesus. He practiced in Alexandria and subsequently in Rome, and was one of the chief representatives of the Methodic school of medicine...

, and appears to have written some medical works, which are no longer extant. The view, once current, that Alexander's Areskonta served as a doxographical

Doxography

Doxography is a term used especially for the works of classical historians, describing the points of view of past philosophers and scientists. The term was coined by the German classical scholar Hermann Alexander Diels.- Classic Greek philosophy :...

 basis for such authors as Anonymus Londinensis

Anonymus Londinensis

Anonymus Londinensis is the name given to an anonymous Ancient Greek author of approximately the 1st century AD whose work On Medicine is partially preserved in a papyrus in the British Library...

, Aetius the doxographer

Aetius (philosopher)

Aetius was a 1st or 2nd century doxographer and Eclectic philosopher.None of Aetius' works survive today, but he solves a mystery about two major compilations of philosophical quotes...

, Soranus of Ephesus, and Anonymus Bruxellensis is an inference on the basis of flimsy evidence.