We hear of visiting Chaldean travellers to Greece

Dimly, we hear of other visiting Chaldean travellers to Greece: Soudines, for instance, a visitor to the court of Attalus I, King of Pergamum, who compiled lunar tables which were used for centuries, and one of the earliest lapidaries, associating various precious stones with certain planets and signs. By now, many Greeks were quick to adopt the new celestial theory: Epigenes of Byzantium, Apollonius of Myndus and Artemidorus of Parium all boasted of having been instructed by Babylonia priest-astrologers. Kidenas, who probably lived in the second half of the 3rd century BC, seems to have been responsible for some Babylonian astronomical discoveries, and perhaps was a tutor of Berosus himself (though one of the problems is that the dates of many of these early astrologers are extremely uncertain). Then there was Aratus, a contemporary of Berosus, who in about 276 BC versified the Phainomena of Eudoxos, producing a poem which became required reading for generations of Greeks, with its account of the planets, the zodiac and the other constellations, and its concluding advice to meteorologists: