Adrastus of

Aphrodisias Aphrodisias (; grc, Ἀφροδισιάς, Aphrodisiás) was a small ancient Greek Hellenistic city in the historic Caria cultural region of western Anatolia, Turkey. It is located near the modern village of Geyre, about east/inland from the ...

( el, Ἄδραστος ὁ Ἀφροδισιεύς; fl. 2nd century) was a Peripatetic philosopher who lived in the 2nd century AD. He was the author of a treatise on the arrangement of

Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ph ...

's writings and his system of philosophy, quoted by Simplicius, and by

Achilles Tatius Achilles Tatius ( Greek: Ἀχιλλεὺς Τάτιος, ''Achilleus Tatios'') of Alexandria was a Roman-era Greek writer of the 2nd century AD whose fame is attached to his only surviving work, the ancient Greek novel, or ''romance'', '' The Adv ...

. Some commentaries of his on the ''

Timaeus Timaeus (or Timaios) is a Greek name. It may refer to: * ''Timaeus'' (dialogue), a Socratic dialogue by Plato *Timaeus of Locri, 5th-century BC Pythagorean philosopher, appearing in Plato's dialogue *Timaeus (historian) (c. 345 BC-c. 250 BC), Greek ...

'' of

Plato Plato ( ; grc-gre, Πλάτων ; 428/427 or 424/423 – 348/347 BC) was a Greek philosopher born in Athens during the Classical period in Ancient Greece. He founded the Platonist school of thought and the Academy, the first institution ...

are also quoted by Porphyry, and a treatise on the ''

Categories Category, plural categories, may refer to: Philosophy and general uses *Categorization, categories in cognitive science, information science and generally *Category of being * ''Categories'' (Aristotle) *Category (Kant) * Categories (Peirce) * ...

'' of Aristotle by

Galen Aelius Galenus or Claudius Galenus ( el, Κλαύδιος Γαληνός; September 129 – c. AD 216), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be one ...

. None of these have survived. He was a competent

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

, whose writings on

harmonics A harmonic is a wave with a frequency that is a positive integer multiple of the '' fundamental frequency'', the frequency of the original periodic signal, such as a sinusoidal wave. The original signal is also called the ''1st harmonic'', ...

are frequently cited by

Theon of Smyrna Theon of Smyrna ( el, Θέων ὁ Σμυρναῖος ''Theon ho Smyrnaios'', ''gen.'' Θέωνος ''Theonos''; fl. 100 CE) was a Greek philosopher and mathematician, whose works were strongly influenced by the Pythagorean school of thought. Hi ...

in the surviving sections of his ''On Mathematics Useful for the Understanding of Plato''. In the 17th century, a work by Adrastus on

, ("On Harmonics"), was said by

Gerhard Johann Vossius Gerrit Janszoon Vos (March or April 1577, Heidelberg – 19 March 1649, Amsterdam), often known by his Latin name Gerardus Vossius, was a Dutch classical scholar and theologian. Life He was the son of Johannes (Jan) Vos, a Protestant from the Ne ...

to have been preserved, in manuscript, in the

Vatican Library The Vatican Apostolic Library ( la, Bibliotheca Apostolica Vaticana, it, Biblioteca Apostolica Vaticana), more commonly known as the Vatican Library or informally as the Vat, is the library of the Holy See, located in Vatican City. Formally es ...

, although the manuscript appears to be no longer extant, if indeed this was not an error on Vossius' part. Adrastus of Philippi is also reported by Stephanus of Byzantium, as a peripatetic philosopher, he is presumably the same philosopher, unless there was a different, earlier, disciple of Aristotle.Among the (very) few sources prepared to give ''Adrastus of Philippi'' an independent existence is: Trevor Curnow, (2006)
''The philosophers of the ancient world: an A to Z guide'', page 8
Duckworth.

Notes

References

* 2nd-century philosophers Commentators on Aristotle Commentators on Plato Roman-era Peripatetic philosophers Ancient Greek music theorists People from Aphrodisias {{AncientGreece-philosopher-stub