What are some contributions to Isaiah

aiah means the Lord is Salvation. He was son of Amoz. He was a high ranking citizen with access to the royal court. Isaiah prophecy was during the reign of Uzziah (good), Jothan (good), Ahaz (bad), and Hezzekiah (good) to the Southern Kingdom. In 722 BC the northern kingdom had fallen to Assyria and the south was on a similar trajectory. Isaiah repeatedly warn against alignment with foreign powers for protection.