ISRAELI, ISAAC BEN JOSEPH

ISRAELI, ISAAC BEN JOSEPH
ISRAELI, ISAAC BEN JOSEPH (first half of the 14th century), Spanish astronomer who worked in Toledo. Israeli is best known for his book Yesod Olam ("The Foundation of the World") written in 1310, which was considered the most important contribution to Hebrew literature in this field. It dealt with the geometrical problems of the earth in the Ptolemaic system of the universe as revised by al-Biṭsūjī, the seasons, etc., and included astronomical tables. The high esteem in which this book was held over several centuries led to an edition in 1777 being published in Berlin by Jacob Shklover, and a more complete edition, with a preface by David Cassel, was produced in Berlin (1846–48) by B. Goldberg and L. Rosenkranz. There are also commentaries on this work by Isaac Alḥadib , judah bassan , and Elijah Mizraḥi . An abridged version in Arabic was written by the author's son, Joseph Israeli b. Isaac, a Hebrew translation of which (under the title Kiẓẓur Yesod Olam) still exists. Isaac Israeli is also the author of two other books, still extant in manuscripts, Sha'ar ha-Shamayim and Sha'ar ha-Millu'im. -BIBLIOGRAPHY: Steinschneider, Arab Lit, 164; idem, Die Mathematik bei den Juden (1897), 39; Waxman, Literature, 2 (19602), 320–1; G. Sarton, Introduction to the History of Science, 3 (1947–48), 691–2, includes bibliography; W.M. Feldman, Rabbinical Mathematics and Astronomy (1931), 111. (Arthur Beer)

Encyclopedia Judaica. 1971.

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  • Israeli, Isaac ben Joseph — (fl. 14th cent)    Spanish astronomer. He lived in Toledo and is known for his Yesod Olam, which deals with the geometrical problems of the earth in the Ptolemaic system of the universe …   Dictionary of Jewish Biography

  • ISRAELI, ISAAC BEN SOLOMON — (c. 855 c. 955), physician and philosopher. Born in egypt , Israeli emigrated at about the age of 50 to kairouan , capital of the maghreb , where ʿUbayd Allāh al Mahdī, founder of the Fatimid dynasty, appointed him court physician. His renown… …   Encyclopedia of Judaism

  • Isaac Israeli ben Joseph — o Yitzhak ben Yosef (en ocasiones conocido como Isaac Israeli the Younger) fue un astrónomo/astrólogo judío español que vivió en Toledo en la primera mitad del siglo XIV. Fue discípulo de Asher ben Yehiel, de quien recibió el encargo en 1311 de… …   Wikipedia Español

  • Isaac Israeli ben Joseph — or Yitzhak ben Yosef (often known as Isaac Israeli the Younger) was a Spanish Jewish astronomer/astrologer who flourished at Toledo in the first half of the fourteenth century. He was a pupil of Asher ben Yehiel, at whose request (in 1310) he… …   Wikipedia

  • Isaac ben Sid — (o Cid), Ishaq ben Sid, Rabí Ishâq ben Sid o Rabiçag (nombre en las fuentes cristianas) fue un astrónomo judío español. Destacado erudito judío de la segunda mitad del siglo XIII, formó parte de la Escuela de Traductores de Toledo de Alfonso X el …   Wikipedia Español

  • Isaac Israeli — ben Salomon  Ne doit pas être confondu avec Isaac Israeli ben Joseph …   Wikipédia en Français

  • Saadia Ben Joseph Gaon — Saadia Gaon Pour les articles homonymes, voir Saadia (homonymie) et Gaon (homonymie). Saadia Gaon (hébreu רב סעדיה בן יוסף גאון סורא Rav Saadia ben Yosseph Gaon Soura, arabe سعيد إبن يوسف الفيّومي Sa īd ibn Yūsuf al Fayyūmi), dit le Rassag (רס״ג) …   Wikipédia en Français

  • Saadia ben Joseph — Saadia Gaon Pour les articles homonymes, voir Saadia (homonymie) et Gaon (homonymie). Saadia Gaon (hébreu רב סעדיה בן יוסף גאון סורא Rav Saadia ben Yosseph Gaon Soura, arabe سعيد إبن يوسف الفيّومي Sa īd ibn Yūsuf al Fayyūmi), dit le Rassag (רס״ג) …   Wikipédia en Français

  • Saadia ben Joseph Gaon — Saadia Gaon Pour les articles homonymes, voir Saadia (homonymie) et Gaon (homonymie). Saadia Gaon (hébreu רב סעדיה בן יוסף גאון סורא Rav Saadia ben Yosseph Gaon Soura, arabe سعيد إبن يوسف الفيّومي Sa īd ibn Yūsuf al Fayyūmi), dit le Rassag (רס״ג) …   Wikipédia en Français

  • Ben — /ben/, n. a male given name, form of Benjamin. * * * (as used in expressions) Akiba ben Joseph Alfasi Isaac ben Jacob Alkalai Judah ben Solomon Hai Abba Mari ben Moses ben Joseph Israel ben Eliezer Ben Ali Zine el Abidine Ben Bella Ahmed Ben… …   Universalium

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