Jacob ben Meir (1100 – 9 June 1171 (4 Tammuz)), best known as Rabbeinu Tam (Hebrew: רבינו תם), was one of the most renowned Ashkenazi Jewish rabbis and...

Book of the Upright) is a famous treatise on Jewish ritual authored by Rabbeinu Tam (Rabbi Jacob ben Meir, 1100–1171). The work, which survives in a somewhat...

his piety" should put on Rabbeinu Tam tefillin, while the Mishnah Brurah explains that if any other person puts on Rabbeinu Tam tefillin, it is a sign of...

qualifications. Another famous contemporary of Qimḥi was Jacob ibn Meïr, called Rabbeinu Tam, of Ramerupt, who was the greatest Talmudic authority of the day. This...

father-in-law of Judah ben Isaac Messer Leon, and therefore a contemporary of Rabbeinu Tam of Rameru, the head of the tosafistic school in the middle of the 12th...

(1040–1105) and of his grandson, Rabbeinu Tam, as to whether it should be placed vertically (Rashi) or horizontally (Rabbeinu Tam), and also to imply that God...

were Shmuel (Rashbam; born 1080), Yitzchak (Rivam; born 1090), Jacob (Rabbeinu Tam; born 1100), and Shlomo the Grammarian, all of whom were among the most...

according to Rabbeinu Tam, sometimes ascribed to their teacher opinions which were not his. Zedekiah ben Abraham, however, refutes Rabbeinu Tam's assertion...

known as Rabbeinu Gershom (Hebrew: רבנו גרשום, "Our teacher Gershom") and also commonly known to scholars of Rabbinic Judaism by the title Rabbeinu Gershom...

France. He lived in Paris and taught Torah there during the times of Rabbeinu Tam and Rashbam. Rabbi Eliyahu's father was Rabbi Yehuda, and his son was...

as of the Tosafists Isaac ben Meir (the "Rivam") and Jacob ben Meir ("Rabbeinu Tam"), and a colleague of Rabbi Joseph Kara. Like his maternal grandfather...

Rabbenu Asher's son Judah testified to the fact that he died in poverty. Rabbeinu Asher died in Toledo on 9 Cheshvan 5088 (1327 CE). His known surviving...

diminish the weight such unkept vows imposed on him at his death. It was Rabbeinu Tam, however, who accounted for the alteration which was made by his father...

sometimes Rashi) Achronei HaRabbonim ("The Later of the Rabbis") – Rabbeinu Tam Gedolei HaDor ("The Greatest of the Generation") – Rashba A complete...

demanded of gentiles who wished to become Christians. The Tosaphist Rabbeinu Tam wrote that Peter was "a devout and learned Jew who dedicated his life...

commentator on the Hebrew Bible. He is one of two scholars now referred to as Rabbeinu Behaye, the other being philosopher Bahya ibn Paquda. Bahya was a pupil...

haYashar, by the Kabbalist and philosopher Abraham Abulafia Sefer haYashar (Rabbeinu Tam), 12th-century treatise on Jewish ritual and ethics Sefer haYashar of...

Rabbeinu Haim ben Hananel HaCohen (12th century) was one of the early Ba'alei Tosafot and a student and colleague of Rabbeinu Tam. He was active primarily...

liturgical poet. As an early Rishon, he was a contemporary of the Rashbam and Rabbeinu Tam, and one of the earliest of the Tosafists. He was the son-in-law of Eliakim...

Talmud or any of the Haggadot of the Rishonim period such as Rashi and Rabbeinu Tam. Lesli Koppelman Ross has suggested that the recitation L'Shana Haba'ah...

for widows, though at one point this sum had been raised to 200 Zuz. Rabbeinu Tam clarifies that the words in Ketuboth "that which is due you" (Aramaic...

Rabbi Meir ben Samuel and Jochebed. He was brother to Jacob (known as Rabbeinu Tam), Samuel (known as Rashbam) and Isaac (known as Rivam). His year of birth...

today of Spanish and Portuguese Jews. Another version, suggested by Rabbeinu Tam, is to blow one TaShRaT after each blessing, for a total of 12 blasts...

Chroniqueurs Juifs, in R. E. J. xvi. 227. See Rabbeinu Tam, Sefer ha-Yashar, ed. Vienna, No. 620, p. 74. Rabbeinu Tam, l.c.; Abraham ben Isaac of Narbonne, Sefer...

Reuben Tam (1916–1991), American artist Rabbeinu Tam (1100–1171), Rabbi Jacob Tam Rod Tam (1953–2019), American businessman and politician River Tam and...

geese also came up as a matter of Jewish dietary law in the Halakha, and Rabbeinu Tam (1100–71) determined that they were kosher (even if born of trees) and...

Machir ben Judah, Joseph ben Samuel Bonfils (Tob 'Elem) of Limoges, Rabbeinu Tam (Jacob ben Meïr), Menahem ben Perez of Joigny, Perez ben Elijah of Corbeil...

was one of the Tosafot. His brother-in-law was Rabbeinu Tam (his sister Miriam was married to Rabbeinu Tam), who held him in high esteem. He is mentioned...

(c. 1125 – 27 November 1198), also known by the abbreviation RABaD (for Rabbeinu Abraham ben David) Ravad or RABaD III, was a Provençal rabbi, an important...

writing his first work, Ohr LaYesharim, a commentary to Sefer HaYashar of Rabbeinu Tam. He printed the first volume of this work in 1869, but lacked the funds...