He was a glorious prophet of the Old Testament. There are seventeen of these writing prophets who wrote books of the Bible, and all of them are commemorated by the Catholic Church as saints. The four major prophets are: Isaias, Jeremias, Ezechiel and Daniel. And along with them, Baruch. And the twelve minor prophets are: Osee, Joel, Amos, Abdias, Jonas, Micheas, Nahum, Habacuc, Sophonias, Aggeus, Zacharias, Malachias.