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Isaac ibn Sid was a Spanish-Jewish astronomer; he flourished at the
Jewish encyclopedia
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13th-century Castilian Jews 13th-century astronomers Jewish scientists Medieval Spanish astronomers Medieval Jewish astronomers Spanish translators Arabic–Spanish translators Year of death unknown Year of birth unknown 13th-century translators {{Judaism-bio-stub
Isaac ibn Sid was a Spanish-Jewish astronomer; he flourished at the Toledo School of Translators
The Toledo School of Translators ( es, Escuela de Traductores de Toledo) is the group of scholars who worked together in the city of Toledo during the 12th and 13th centuries, to translate many of the Judeo-Islamic philosophies and scientific w ...
in the second half of the thirteenth century.
Biography
From the surname ''"ha Ḥazzan"'', given him byIsaac Israeli ben Joseph
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 ...
("Yesod'Olam," iv. 30), it may be inferred that he was precentor at the synagogue
A synagogue, ', 'house of assembly', or ', "house of prayer"; Yiddish: ''shul'', Ladino: or ' (from synagogue); or ', "community". sometimes referred to as shul, and interchangeably used with the word temple, is a Jewish house of worshi ...
.
Isaac ibn Sid took a leading part in the compilation of the Alfonsine Tables. Isaac Israeli (ib.) states that he saw recorded in Isaac ibn Sid's own handwriting three observations of moon eclipses made by him at the order of Alfonso
Alphons (Latinized ''Alphonsus'', ''Adelphonsus'', or ''Adefonsus'') is a male given name recorded from the 8th century (Alfonso I of Asturias, r. 739–757) in the Christian successor states of the Visigothic kingdom in the Iberian peninsula. ...
. In official documents (De Castro, "Bibliotheca," i. 184b) Isaac ibn Sid is termed by Alfonso "our learned Rabbi Çag."
In 1277, Isaac translated from the Arabic a work on the quadrant. His name is also connected with the invention of various instruments (De Castro, l.c. i. 144a, 156a, 157).
See also
*Toledo School of Translators
The Toledo School of Translators ( es, Escuela de Traductores de Toledo) is the group of scholars who worked together in the city of Toledo during the 12th and 13th centuries, to translate many of the Judeo-Islamic philosophies and scientific w ...
References
*Heinrich Grätz
Heinrich Graetz (; 31 October 1817 – 7 September 1891) was amongst the first historians to write a comprehensive history of the Jewish people from a Jewish perspective.
Born Tzvi Hirsch Graetz to a butcher family in Xions (now KsiÄ…ĹĽ Wielkopo ...
, Gesch. vii. 115;
* Moritz Steinschneider
Moritz Steinschneider (30 March 1816, Prostějov, Moravia, Austrian Empire – 24 January 1907, Berlin) was a Moravian bibliographer and Orientalist. He received his early instruction in Hebrew from his father, Jacob Steinschneider ( 1782; ...
, Hebr. Uebers. pp. 617 et seq.
Jewish encyclopedia
External links
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13th-century Castilian Jews 13th-century astronomers Jewish scientists Medieval Spanish astronomers Medieval Jewish astronomers Spanish translators Arabic–Spanish translators Year of death unknown Year of birth unknown 13th-century translators {{Judaism-bio-stub