Isaiah 44:28 and 45:1-4 deliver one of Scripture's most startling predictions: God names a future deliverer—Cyrus—by name, approximately 150 years before his birth. Isaiah, writing c. 700-680 BC, declares that Cyrus will be God's 'shepherd' who will say of Jerusalem 'She shall be built,' and of the Temple 'Thy foundation shall be laid.' Cyrus the Great was born around 600-580 BC and issued his famous decree releasing the Jewish exiles in 539/538 BC after conquering Babylon—roughly 160 years after Isaiah's prophecy.
The specificity is remarkable. Isaiah doesn't merely predict 'a deliverer will arise' or 'a Persian king will release the exiles.' He names Cyrus by his actual name, calls him God's 'anointed' (Hebrew: mashiach, typically reserved for kings and priests of Israel), predicts he will subdue nations (Cyrus conquered Media, Lydia, and Babylon), predicts God will 'loose the loins of kings' before him (matching Cyrus's astonishing victories), and predicts he will 'open before him the two leaved gates' (possibly referencing Babylon's famous river gates, which according to Herodotus were left open the night Cyrus's army diverted the Euphrates to enter the city).
The Cyrus Cylinder (discovered 1879, now in the British Museum) provides external confirmation of Cyrus's general policy of returning exiled peoples and restoring their temples—a policy that perfectly matches Ezra 1:1-4 where Cyrus specifically authorizes the rebuilding of the Jerusalem Temple. Josephus (Antiquities 11.1.1-2) records that when Cyrus was shown Isaiah's prophecy naming him, he was moved to fulfill it voluntarily. While Josephus's account may be legendary embellishment, the core historical fact remains: Cyrus released the Jews and authorized the Temple rebuilding.
Critical scholarship almost universally responds to this prophecy by positing 'Deutero-Isaiah'—a second author writing during or after the Babylonian exile (c. 540 BC), making the Cyrus 'prediction' retrospective. This hypothesis, first popularized by J.C. Döderlein (1775) and Bernhard Duhm (1892), divides Isaiah into multiple authors (commonly 1-39, 40-55, and 56-66). However, the unified authorship of Isaiah is supported by: (1) ancient testimony, including the Dead Sea Scroll Great Isaiah Scroll (1QIsa-a, c. 125 BC), which shows no textual division; (2) the New Testament, where John 12:38-41 cites both Isaiah 53:1 (from 'Deutero-Isaiah') and Isaiah 6:10 (from 'First Isaiah') as written by 'Isaiah' without distinction; (3) Jesus in Mark 7:6-7 cites Isaiah 29:13 as 'Isaiah,' and in Luke 4:17-21 He reads from Isaiah 61:1-2 as Isaiah; (4) stylistic unity arguments by Oswalt, Motyer, and Young showing consistent themes, vocabulary, and theology across the 'divisions.'
Even granting the two-Isaiah hypothesis for argument's sake, the timing is still prophetic. Cyrus was not universally recognized as a world-class deliverer until his conquest of Lydia (547 BC) and Babylon (539 BC). A prediction dated anywhere before 550 BC would still precede his major military successes and his decree regarding Jerusalem (538 BC). The prophecy's specific naming and detailed accuracy stands as among the strongest cases for genuine predictive prophecy in Scripture.