The Zoroastrian way of life has markedly influenced the early Hebrew religious fabric. Just how did this come about both at the social and doctrinal level is a subject worth exploring and understanding. The Achaemenian King most intimately associated with these events is Cyrus, the Great, a worshipper of Zoroaster's-God Ahura Mazda who became the King of Anshan in 558 B.C. and was heralded as the founder of the Achaemenian Empire. In this era Babylon was ruled by a tyrant named Nabonidus. He oppressed Babylonians in general and held the 'people of Israel' as captives in his land, in particular.
Historical evidence suggests that learned and skilled Persian agents.
Scholars suggest that the result of the work by Persian agents was clearly reflected in Cyrus's Proclamation that appeared as an oracle from the Gods of Babylonia empowering him to set Babylon free. A striking parallel to this is noticeable in the prophecies found in the Book of Jind Isaiah. The similarity of the two accounts clearly suggests that the prophet Isaiah was perhaps the first Jew to learn about Cyrus and Zoroastrianism from the Persian Magis. Morton Smith, Jour. of Amer. I myself have roused up someone in righteousness, He is the one that will build my city and those of mine in exile he will let go, not for a price nor for bribery.