Eudemus of Rhodes was a philosopher and follower of Aristotle in the late fourth century BC. Damascius was a Neoplatonist of the late fifth and early sixth century AD.

Eudemus of Rhodes

According to Damascius. Dubitationes et Solutiones de Principiis

125, V:

The Magi and the whole Iranian race call by the name Space or Time that which forms an intelligible and integrated whole from which a Good God and an Evil Demon were separated out, or as some say, light and darkness before these.