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JACOB B. KORSHAI – See Jacob, 1.
JACOB HA-LEVI HE-ḤASID – French rabbi and cabalist; lived in the thirteenth century, at Marvège. It was said that by prayers and invocations he was able to obtain from heaven decisions in religious matters, which were communicated to him in dreams. His...
JACOB LOANZ B. JEHIEL – See Loanz b. Jehiel, Jacob.
JACOB OF LONDON – First known presbyter of the Jews of England; appointed to that position by King John in 1199, who also gave him a safe conduct. He appears to have died in 1217, when Josce is mentioned as his successor. He is possibly identical...
JACOB OF LUNEL – See Jacob Nazir.
JACOB BEN MEÏR TAM – Most prominent of French tosafists; born at Ramerupt, on the Seine, in 1100; died at Troyes June 9, 1171. His mother, Jochebed, was a daughter of Rashi. Rabbenu Tam received his education from his father, from Joseph Ṭob 'Elem...
JACOB BEN MORDECAI – German scholar; flourished in the seventeenth and eighteenth centuries. A native of Fulda, he was generally called "Jacob of Fulda"; but he was banished from that town and settled at Schwerin. He wrote: (1) "Tiḳḳun Sheloshah...
JACOB BEN MORDECAI HA-KOHEN – Gaon of Sura from 801 to 815; succeeded Hilai ben Mari. He officiated fourteen years, according to a text of Sherira ("M. J. C." i. 39); according to other authorities (l.c. i. 65, 188), eighteen years. In his decisions Jacob...
JACOB BEN MOSES BEN ABUN – Head of the yeshibah of Narbonne, France. As Abraham b. David in his "Sefer ha-Ḳabbalah" (MS. quoted by Abraham Zacuto in his "Yuḥasin," ed. London, p. 84) mentions that Moses ha-Darshan was the son of Jacob b. Moses, it may be...
JACOB BEN MOSES OF BAGNOLS – Provençal theologian of the second half of the fourteenth century; lived successively at Salon, Avignon, and Argon. He was the author of a casuistic and philosophical work, still extant in manuscript ("British Museum Cat." MS....
JACOB B. MOSES MÖLLN – See Mölln, Jacob ben Moses.
JACOB IBN NA'IM – Rabbi of Smyrna toward the end of the seventeenth century. He corresponded with Ḥayyim Benveniste, author of "Keneset ha-Gedolah," whom Jacob seems to have succeeded in the rabbinate of Smyrna. Jacob was the author of "Mishkenot...
JACOB BEN NAPHTALI – Talmudist of Gnesen; flourished about 1650. His father was clerk of the Jewry in Great Poland ( ), and died in 1646. Jacob lost his fortune and books in a fire, and had to wander aimlessly about. In 1652 he published in...
JACOB BEN NAPHTALI HA-KOHEN – Italian printer; born in Gazolo; lived in the sixteenth century. For some time prior to 1556 he was the manager of Tobiah Foa's printing establishment at Sabbionetta, which issued Abravanel's "Merkebet ha-Mishneh" (1551). In...
JACOB BEN NATHANAEL IBN AL-FAYYUMI – Rosh yeshibah of the Yemen Jews in the second half of the twelfth century. All that is known of him is that at the suggestion of Solomon ha-Kohen, a pupil of Maimonides, he wrote to the latter asking his advice in regard to a...
JACOB BAR NAṬRONAI – Gaon of Sura (911-924). After the death of his predecessor, Shalom bar Mishael, the Academy of Sura became impoverished and was abandoned by most of the students (Sherira, in "M. J. C." i. 39, 189). Jacob bar Naṭronai was then...
JACOB NAZIR – French exegete; flourished in the second half of the twelfth century; one of the five sons of Meshullam ben Jacob of Lunel. "Jacob of Lunel" would accordingly be only another designation for "Jacob Nazir." Jacob Nazir wrote...
JACOB BEN NISSIM IBN SHAHIN – Philosopher; lived at Kairwan in the tenth century; younger contemporary of Saadia. At Jacob's request Sherira Gaon wrote a treatise entitled "Iggeret," on the redaction of the Mishnah. Jacob is credited with the authorship of...
JACOB BEN OBADIAH SFORNO – Italian scholar; lived at Venice in the sixteenth and seventeenth centuries. He was the author of a work entitled "Iggeret ha-Ṭe'amim," on the Hebrew accents (Venice, 1600). Steinschneider, however, believesthe work to be...
JACOB OF ORLEANS – French tosafist; died as a martyr in London Sept. 3, 1189. He was one of the most distinguished pupils of Rabbenu Tam, being often called by his teacher's name. According to "'Emeḳ ha-Baka" (ed. Cracow, p. 52), Jacob was still...
JACOB OF PONT SAINT-MAXENCE – French tax-farmer of the fourteenth century. With Manecier of Vesoul and his brother Vivant he was appointed (1360) by Charles V., King of France, to collect the taxes imposed upon the Jews, retaining two florins out of the...
JACOB B. REUBEN – Karaite Bible exegete of the eleventh century. He wrote a brief Hebrew commentary on the entire Bible, which he entitled "Sefer ha-'Osher," because, as he says in the introduction, the reader will find therein sufficient...
JACOB BEN REUBEN IBN ẒUR – Talmudist and rabbi of Fez; born in the latter part of the seventeenth century; died after 1750. That his reputation as a Talmudist stood high is apparent in the responsa ("Kerem Ḥemed," Leghorn, 1871) of Abraham Ankava, where...
JACOB ROMAN IBN PAḲUDA – See Roman, Jacob.
JACOB BEN SAMSON – French tosafist and liturgist; flourished at Paris or at Falaise in the first third of the twelfth century. He is mentioned by Moses Taku in his "Ketab Tamim" (see "Oẓar Neḥmad," iii. 59) as having been the pupil of Rashi and...

JACOB B. KORSHAI – See Jacob, 1.

JACOB HA-LEVI HE-ḤASID – French rabbi and cabalist; lived in the thirteenth century, at Marvège. It was said that by prayers and invocations he was able to obtain from heaven decisions in religious matters, which were communicated to him in dreams. His...

JACOB LOANZ B. JEHIEL – See Loanz b. Jehiel, Jacob.

JACOB OF LONDON – First known presbyter of the Jews of England; appointed to that position by King John in 1199, who also gave him a safe conduct. He appears to have died in 1217, when Josce is mentioned as his successor. He is possibly identical...

JACOB OF LUNEL – See Jacob Nazir.

JACOB BEN MEÏR TAM – Most prominent of French tosafists; born at Ramerupt, on the Seine, in 1100; died at Troyes June 9, 1171. His mother, Jochebed, was a daughter of Rashi. Rabbenu Tam received his education from his father, from Joseph Ṭob 'Elem...

JACOB BEN MORDECAI – German scholar; flourished in the seventeenth and eighteenth centuries. A native of Fulda, he was generally called "Jacob of Fulda"; but he was banished from that town and settled at Schwerin. He wrote: (1) "Tiḳḳun Sheloshah...

JACOB BEN MORDECAI HA-KOHEN – Gaon of Sura from 801 to 815; succeeded Hilai ben Mari. He officiated fourteen years, according to a text of Sherira ("M. J. C." i. 39); according to other authorities (l.c. i. 65, 188), eighteen years. In his decisions Jacob...

JACOB BEN MOSES BEN ABUN – Head of the yeshibah of Narbonne, France. As Abraham b. David in his "Sefer ha-Ḳabbalah" (MS. quoted by Abraham Zacuto in his "Yuḥasin," ed. London, p. 84) mentions that Moses ha-Darshan was the son of Jacob b. Moses, it may be...

JACOB BEN MOSES OF BAGNOLS – Provençal theologian of the second half of the fourteenth century; lived successively at Salon, Avignon, and Argon. He was the author of a casuistic and philosophical work, still extant in manuscript ("British Museum Cat." MS....

JACOB B. MOSES MÖLLN – See Mölln, Jacob ben Moses.

JACOB IBN NA'IM – Rabbi of Smyrna toward the end of the seventeenth century. He corresponded with Ḥayyim Benveniste, author of "Keneset ha-Gedolah," whom Jacob seems to have succeeded in the rabbinate of Smyrna. Jacob was the author of "Mishkenot...

JACOB BEN NAPHTALI – Talmudist of Gnesen; flourished about 1650. His father was clerk of the Jewry in Great Poland ( ), and died in 1646. Jacob lost his fortune and books in a fire, and had to wander aimlessly about. In 1652 he published in...

JACOB BEN NAPHTALI HA-KOHEN – Italian printer; born in Gazolo; lived in the sixteenth century. For some time prior to 1556 he was the manager of Tobiah Foa's printing establishment at Sabbionetta, which issued Abravanel's "Merkebet ha-Mishneh" (1551). In...

JACOB BEN NATHANAEL IBN AL-FAYYUMI – Rosh yeshibah of the Yemen Jews in the second half of the twelfth century. All that is known of him is that at the suggestion of Solomon ha-Kohen, a pupil of Maimonides, he wrote to the latter asking his advice in regard to a...

JACOB BAR NAṬRONAI – Gaon of Sura (911-924). After the death of his predecessor, Shalom bar Mishael, the Academy of Sura became impoverished and was abandoned by most of the students (Sherira, in "M. J. C." i. 39, 189). Jacob bar Naṭronai was then...

JACOB NAZIR – French exegete; flourished in the second half of the twelfth century; one of the five sons of Meshullam ben Jacob of Lunel. "Jacob of Lunel" would accordingly be only another designation for "Jacob Nazir." Jacob Nazir wrote...

JACOB BEN NISSIM IBN SHAHIN – Philosopher; lived at Kairwan in the tenth century; younger contemporary of Saadia. At Jacob's request Sherira Gaon wrote a treatise entitled "Iggeret," on the redaction of the Mishnah. Jacob is credited with the authorship of...

JACOB BEN OBADIAH SFORNO – Italian scholar; lived at Venice in the sixteenth and seventeenth centuries. He was the author of a work entitled "Iggeret ha-Ṭe'amim," on the Hebrew accents (Venice, 1600). Steinschneider, however, believesthe work to be...

JACOB OF ORLEANS – French tosafist; died as a martyr in London Sept. 3, 1189. He was one of the most distinguished pupils of Rabbenu Tam, being often called by his teacher's name. According to "'Emeḳ ha-Baka" (ed. Cracow, p. 52), Jacob was still...

JACOB OF PONT SAINT-MAXENCE – French tax-farmer of the fourteenth century. With Manecier of Vesoul and his brother Vivant he was appointed (1360) by Charles V., King of France, to collect the taxes imposed upon the Jews, retaining two florins out of the...

JACOB B. REUBEN – Karaite Bible exegete of the eleventh century. He wrote a brief Hebrew commentary on the entire Bible, which he entitled "Sefer ha-'Osher," because, as he says in the introduction, the reader will find therein sufficient...

JACOB BEN REUBEN IBN ẒUR – Talmudist and rabbi of Fez; born in the latter part of the seventeenth century; died after 1750. That his reputation as a Talmudist stood high is apparent in the responsa ("Kerem Ḥemed," Leghorn, 1871) of Abraham Ankava, where...

JACOB ROMAN IBN PAḲUDA – See Roman, Jacob.

JACOB BEN SAMSON – French tosafist and liturgist; flourished at Paris or at Falaise in the first third of the twelfth century. He is mentioned by Moses Taku in his "Ketab Tamim" (see "Oẓar Neḥmad," iii. 59) as having been the pupil of Rashi and...