Nissim ben Jacob (), also known as Nissim Gaon (; 990–1062), was a

rabbi A rabbi (; ) is a spiritual leader or religious teacher in Judaism. One becomes a rabbi by being ordained by another rabbi—known as ''semikha''—following a course of study of Jewish history and texts such as the Talmud. The basic form of t ...

and Gaon best known today for his

Talmud The Talmud (; ) is the central text of Rabbinic Judaism and the primary source of Jewish religious law (''halakha'') and Jewish theology. Until the advent of Haskalah#Effects, modernity, in nearly all Jewish communities, the Talmud was the cen ...

ic commentary ha-Mafteach, by which title he is also known.

Biography

Rav Nissim studied at the Kairouan Yeshiva, initially under his father, Jacob ben Nissim, who had studied under

Hai ben Sherira Hai ben Sherira (), better known as Hai Gaon (), was a medieval Jewish theologian, rabbi and scholar who served as Gaon of the Talmudic academy of Pumbedita during the early 11th century. He was born in 939 and died on March 28, 1038. He receive ...

and then Chushiel, who succeeded as head of the yeshiva. Nissim himself later became head of the yeshiva; in this capacity he is closely associated with Chananel ben Chushiel. His most famous student is probably

Isaac Alfasi Isaac ben Jacob Alfasi (1013–1103) (, ), also known as the Alfasi or by his Hebrew acronym, the Rif (Rabbi Isaac al-Fasi), was a Maghrebi Talmudist and posek (decider in matters of halakha, Jewish law). He is best known for his work of '' ...

. Nissim maintained an active correspondence with Hai ben Sharira and with

Samuel ibn Naghrillah Shmuel ibn Naghrillah (; ), mainly known as Shmuel HaNagid () and Isma'il ibn Naghrilla (993–1056), was a Jewish statesman, military commander, scholar, linguist and poet in medieval al-Andalus. He served as grand vizier of the Taifa of Granada ...

, whose son

Joseph Joseph is a common male name, derived from the Hebrew (). "Joseph" is used, along with " Josef", mostly in English, French and partially German languages. This spelling is also found as a variant in the languages of the modern-day Nordic count ...

married Nissim's only daughter in 1049.

Works

The commentary ''Sefer mafteaḥ le-manʻ ūlei ha-talmūd '' (

Hebrew Hebrew (; ''ʿÎbrit'') is a Northwest Semitic languages, Northwest Semitic language within the Afroasiatic languages, Afroasiatic language family. A regional dialect of the Canaanite languages, it was natively spoken by the Israelites and ...

: "The book of the key to unlocking the Talmud"; often, simply ''ha-Mafteach'', (The Key), linke
here
is essentially a Talmudic cross-reference. In it Rav Nissim identifies the sources for

Mishna The Mishnah or the Mishna (; , from the verb ''šānā'', "to study and review", also "secondary") is the first written collection of the Jewish oral traditions that are known as the Oral Torah. Having been collected in the 3rd century CE, it is ...

ic quotes, identifying obscure allusions to other places in Talmudic literature. He quotes from the

Tosefta The Tosefta ( "supplement, addition") is a compilation of Jewish Oral Law from the late second century, the period of the Mishnah and the Jewish sages known as the '' Tannaim''. Background Jewish teachings of the Tannaitic period were cha ...

, Mekhilta, Sifre, Sifra, and from the

Jerusalem Talmud The Jerusalem Talmud (, often for short) or Palestinian Talmud, also known as the Talmud of the Land of Israel, is a collection of rabbinic notes on the second-century Jewish oral tradition known as the Mishnah. Naming this version of the Talm ...

, the explanations of which he sometimes prefers to those of the Babylonian Talmud. Nissim did not confine himself to quoting references, he also discusses these in connection with the text; this work is thus also a commentary. The work was written on several tractates, and is printed, in many editions, on the page itself. Nissim also wrote other works, some of which have been lost, but which are quoted by later sages: *"Siddur Tefillah", a

siddur A siddur ( ''sīddūr'', ; plural siddurim ) is a Jewish prayer book containing a set order of daily prayers. The word comes from the Hebrew root , meaning 'order.' Other terms for prayer books are ''tefillot'' () among Sephardi Jews, ''tef ...

(prayerbook) *A commentary on the

Torah The Torah ( , "Instruction", "Teaching" or "Law") is the compilation of the first five books of the Hebrew Bible, namely the books of Genesis, Exodus, Leviticus, Numbers and Deuteronomy. The Torah is also known as the Pentateuch () ...

(now lost) *A "Sefer ha-Mitzvot" on the commandments (now lost) * "Hilkhot Lulav" a

polemic Polemic ( , ) is contentious rhetoric intended to support a specific position by forthright claims and to undermine the opposing position. The practice of such argumentation is called polemics, which are seen in arguments on controversial to ...

against the Karaites (now lost) *"Megillat Setarim": a collection of notes concerning halakhic decisions, explanations, and midrashim, primarily a note-book for the author's private use, and published by his pupils probably not until after his death. *A collection of tales, "Sefer Ma'asiyyot ha-Hakhamim wehu Ḥibbur Yafeh meha-Yeshu'ah": about sixty tales, based upon the

Mishnah The Mishnah or the Mishna (; , from the verb ''šānā'', "to study and review", also "secondary") is the first written collection of the Jewish oral traditions that are known as the Oral Torah. Having been collected in the 3rd century CE, it is ...

Baraita ''Baraita'' ( "external" or "outside"; pl. ''bārayāṯā'' or in Hebrew ''baraitot''; also baraitha, beraita; Ashkenazi pronunciation: berayse) designates a tradition in the Oral Torah of Rabbinical Judaism that is not incorporated in the Mi ...

, the two

s, and the

midrash ''Midrash'' (;"midrash"
. ''Random House Webster's Unabridged Dictionary''. ; or ''midrashot' ...

ic writings; and written at the request of Nissim's father-in-law, Dunash, on the loss of his son. This is translated into English as "An Elegant Compilation concerning Relief after Adversity" (Bibliography, below)

Literary portrayals

R. Nissim appears as a character in ''A Delightful Compendium of Consolation: A Fabulous Tale of Romance, Adventure and Faith in the Medieval Mediterranean'', a novel by Burton Visotzky. The novel expands on the few known biographical facts (including the marriage of his daughter). Its title, ''A Delightful Compendium'', derives from "Ḥibbur Yafeh".

References

Bibliography

*Nissim ben Jacob ibn Shahin, tr. William M. Brinner, ''An Elegant Composition concerning Relief after Adversity'': Yale 1977 (Yale Judaica Series vol 20)

External links