- Jacob ben David ben Yomtob
Jacob ben David ben Yomtob [Jacob Poel, Bonjorn Bonet in Catalan [http://www.isragen.org.il/NROS/BIB/SHD/Bonnet/AndresBonet-E.pdf PDF, p. 3] , Jacob Bonjorn [http://illinoismedieval.org/ems/VOL1/1ch6.html] , Jacob Bonet.] was a Catalan Jewish astronomer. He lived, probably at
Perpignan , in the fourteenth century.He was the author of astronomical tables prepared at Perpignan in 1361. These tables, still extant in manuscript (Bibliothèque Nationale, Paris, MS. No. 10,901;
Adolf Neubauer , "Cat. Bodl. Hebr. MSS." No. 2072, 2), enjoyed a great reputation. They were translated into Latin in the fifteenth century, and were the subject of many Hebrew commentaries, among which was one written byJoseph ben Saul Ḳimḥi (Vatican MSS. Nos. i., v., 1, 7). Many manuscripts of these tables were retranslated from Latin into Hebrew.His father is given as
David ben Yom-Ṭob ibn Bilia /David Bongoron .References
*
Moritz Steinschneider , Hebr. Uebers. p. 615;
*Berliner's Magazin, xvi. 49;
*Ernest Renan -Adolf Neubauer , "Les Ecrivains Juifs Français", p. 355.*José Chabás, "The astronomical tables of Jacob ben David Bonjorn", Journal Archive for History of Exact Sciences, Volume 42, Number 4 / December, 1991 ISSN 0003-9519 (Print) 1432-0657 (Online)
*Josep Chabas i Bergon, Antoni Roca i Rossell, Xavier Rodriguez i Gil (1992), "L'astronomia de Jacob ben David Bonjorn"Notes
External links
* [http://www.jewishencyclopedia.com/view.jsp?artid=1290&letter=B Source]
* [http://dewey.library.upenn.edu/sceti/ljs/PageLevel/index.cfm?option=view&ManID=ljs057 Manuscript]
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