Apollonius of Chalcedon

{{Short description|Tutor to sons of Roman emperor Antoninus Pius}}

Apollonius ({{langx|grc|Άπολλώνιος}}) of Chalcedon was an ancient Greek StoicFootnotes from page 144 of the Meditations by Marcus Aurelius, trans. Robin Hard (2011).{{full reference needed|date=September 2018}} who taught philosophy. He was invited by the Roman emperor Antoninus Pius to come to Rome, for the purpose of instructing his adoptive sons Marcus Aurelius and Lucius Verus in philosophy.Augustan History, Antoninus Pius 10; Lucius Verus 2.M. Antonin. de Rebus suis, 1.8Lucian, Demon. 31Johann Albert Fabricius, Bibliotheca Graeca iii. p. 539 Aurelius, within his Meditations, writes of Apollonius favourably.Marcus Aurelius, Meditations: I.8 Lucian writes of him:

When Apollonius was appointed professor of philosophy in the Imperial household, Demonax witnessed his departure, attended by a great number of his pupils. 'Why, here is Apollonius with all his Argonauts,' he cried.Lucian, Demonax, 31

Apollonius was also possibly from Chalcis instead of Chalcedon, or, according to Cassius Dio, from Nicomedia.Cassius Dio, Roman History 71.35