It is identified by a as the works of the 8th-century BCE prophet Isaiah ben Amoz, but there is ample evidence that much of it was composed during the Babylonian captivity and later.
It is identified by a and by first-person portions as the works of the 8th-century BCE prophet Isaiah ben Amoz. Nevertheless, many scholars claim that much of it was composed by other authors during the Babylonian captivity and later.