Gaius Antius Aulus Julius Quadratus (Ancient Greek: Γάϊος Ἄντιος Αὖλος Ἰούλιος Αὔλου υἱὸς Κουαδρᾶτος; fl.
Some hold the view he was born in Pergamon, probably in the early 50s, but Anthony Birley states he was only an incomer and that Aristides refers to this man as coming to Pergamum 'at the summons of the god'.
[5] Adlected inter praetorios (or with praetorian rank) into the Senate by the emperor Vespasian sometime during the 70s,[6] Quadratus was also co-opted into the Arval Brethren at some point before March of 78 when he is first mentioned in their Acta Arvalia.
[10] In the gap after May 89, he served the emperor as governor of Lycia et Pamphylia from the year 89 to 93[11] At some point between 89 and 94, Quadratus added the prefix "Gaius Antius" to his name, likely as a requirement for accepting a legacy from an acquaintance.
[14] Later the Pergamenes also appointed him gymnasiarch for life, in which role he may have been responsible for the construction of a new aqueduct bringing the water of the Caicus river to the city.