Rabbi at Leghorn, Italy; died before 1788. A follower of the Cabala, he was highly respected by his contemporaries for his knowledge and his piety. He published "Siaḥ Yiẓḥaḳ" (Leghorn, 1766), novellæ to the treatise Yoma, with comments and emendations to the "Tosefot Yeshanim" to Yoma. The second part of this work, containing novellæ to the treatise Ḥagigah, together with a treatise on the prayers, especially on the "Shemoneh 'Esreh," was taken from his manuscript work "Bet Yiẓḥaḳ" which discussed a portion of the legal code "Oraḥ Ḥayyim," and was printed posthumously by his son Jacob, with the latter's additions, under the title "Ḥedwat Ya'aḳob" (ib. 1788).

  • Azulai, Shem ha-Gedolim, ii. 16, 140;
  • NepiGhirondi, Toledot Gedole Yisrael, p. 132;
  • Zedner, Cat. Hebr. Books Brit. Mus. p. 618;
  • Fürst, Bibl. Jud. iii. 41 et seq.
J. M. K.
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