Jacob ben Nathanael ibn al-Fayyumi () was a ''
rosh yeshiva
Rosh yeshiva ( he, ראש ישיבה, pl. he, ראשי ישיבה, '; Anglicized pl. ''rosh yeshivas'') is the title given to the dean of a yeshiva, a Jewish educational institution that focuses on the study of traditional religious texts, primar ...
'' of the
Yemenite Jews
Yemenite Jews or Yemeni Jews or Teimanim (from ''Yehudei Teman''; ar, اليهود اليمنيون) are those Jews who live, or once lived, in Yemen, and their descendants maintaining their customs. Between June 1949 and September 1950, th ...
in the second half of the 12th century CE, son of the illustrious Rabbi,
Nathanel al-Fayyumi. All that is known of him is that at the suggestion of
Solomon ha-Kohen, a pupil of
Maimonides
Musa ibn Maimon (1138–1204), commonly known as Maimonides (); la, Moses Maimonides and also referred to by the acronym Rambam ( he, רמב״ם), was a Sephardic Jewish philosopher who became one of the most prolific and influential Torah ...
, he wrote to the latter asking his advice in regard to a
pseudo-Messiah who was leading the
Jew
Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""T ...
s of southern Arabia astray. From a passage in Maimonides' "Letter to the Wise Men of the Congregation of Marseilles", the date of Jacob's letter is fixed as 1172 (Halub, in his ed. of ''Iggeret Teman,'' p. 51, note). In answer, Maimonides sent his ''
Iggeret Teman'' or, as it is also called, ''Petah Tikva.''
Abraham Harkavy
Abraham (Albert) Harkavy (, russian: Авраа́м Я́ковлевич Гарка́ви, translit=Avraám Yákovlevich Garkávi; 17 October 1835 – 15 March 1919) was a Russian historian and orientalist.
Biography
Harkavy was born in 1835 ...
supposes that Jacob had knowledge of
Saadia Gaon
Saʻadiah ben Yosef Gaon ( ar, سعيد بن يوسف الفيومي ''Saʻīd bin Yūsuf al-Fayyūmi''; he, סַעֲדְיָה בֶּן יוֹסֵף אַלְפַיּוּמִי גָּאוֹן ''Saʿăḏyāh ben Yōsēf al-Fayyūmī Gāʾōn''; ...
's ''Sefer ha-Galui'' (''Studien und Mittheil.'' v.154; comp. ''Monatsschrift,'' xliv.508). Jacob's father was known as a philosophical writer (see ''Jew. Encyc.'' v.354).
References
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12th-century Yemenite rabbis
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