Isaiah. 

        There is every evidence that Isaiah was a native of Jerusalem. As he seems to have had ready access to the royal court, and Ahaz evidently knew the name of his son Shear-jashub (this follows inevitably from 7:3), he must have been a man of high social standing. The Jewish tradition that his father, Amoz, was the brother of Amaziah, the father of Uzziah, is attractive and quite possible.

        “Proto-Isaiah” covers the period from the death year of king Uzziab, 740 B.C. (6:1, see below), when Isaiah received his call, probably as quite a young man, to at least Sen­nacherib’s invasion, 701 B.C., and to even a later date, if there was a second invasion. This allows ample opportunity for Isaiah’s writing of “Deutero-Isaiah” in his old age.