Isaiah di Trani the Younger

Isaiah ben Elijah di Trani (the Younger) (Hebrew: ישעיה בן אליהו דטראני) was an Italian Talmudist and commentator who lived in the 13th century and 14th century. He was the grandson, on his mother's side, of Isaiah (ben Mali) di Trani the Elder. He is usually quoted as ריא"ז (= "R. Isaiah Aḥaron, ז"ל"), or (ריב"א = "R. Isaiah ben Elijah").

He wrote commentaries on the books of Joshua (Leipsic, 1712), Judges and Samuel (printed in the rabbinical Bible), Kings (I Kings iv. 4, 5, 19, and v. 17 only being included in the principal editions of the rabbinical Bible), and Job (printed in J. Schwarz, Tiḳwat Enosh, pp. 39 et seq., Hebr. Supplement; see Geiger, Jüd. Zeit. vii. 142). MSS. Nos. 217-218, in the Bibliothèque Nationale, Paris, contain commentaries by him on the prophetical books and on Psalms; the Rome MSS. contain a commentary on the five Megillot (Steinschneider, Hebr. Bibl. ix. 137). The last-named are sometimes ascribed to his grandfather, but Güdemann advances several reasons in support of Isaiah ben Elijah's authorship, the principal being their identity of style with Isaiah's acknowledged commentaries (Berliner's Magazin, i. 45 et seq.).

Isaiah's commentaries are confined to simple, concise, and rational exegesis. Their importance lies in the fact that they were the first to be issued in Italy that were free from allegorical interpretations. In them he quotes the Spanish grammarians Ibn Janaḥ, Ibn Ḥayyuj, and Abraham ibn Ezra.

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