Rabbeinu Yitzchak Hazaken bar Shmuel (the Ri Hazaken), of the Baalei Tosfos (1120-1200). The Ri’s maternal grandfather was Rashi’s son-in-law, Rav Meir ben Shmuel. He was thus a nephew and a disciple of Rabbeinu Tam and the Rashbam (both sons of Rav Meir ben Shmuel). He was also a grandson of one of Rashi’s leading students, Rav Simcha of Vitry (author of Machzor Vitry). The Ri directed the yeshiva at Ramerupt after Rabbeinu Tam moved to Troyes. Thereafter, he founded the yeshiva at Dampierre. The Ri Hazaken succeeded Rabbenu Tam as head of the academy in Ramerupt, France. Among Rav Yitzchak’s students were Rav Shimshon of Sens (who edited many of our Tosefos, wrote important works in his own right, and led 300 families to settle in Eretz Yisrael in 1211), Rav Yitzchak ben Avraham (“Ritzba”), and Rav Baruch, author of Sefer Haterumos. The Ri also was a kabbalist who lived an ascetic life and observed two days of Yom Kippur (presumably for the same reason that Jews in the diaspora observe two days of other holidays). Ri had at least two sons, both of whom died in his lifetime: Rabbenu Elchanan and Rabbenu Shlomo.
Rav Ephraim Zalman Shor, author of Tevuos Shor (1633)
Rav Elazar Rokeach of Amsterdam, the Maaseh Rokeah (1741)
Rav Nosson Tzvi Kenig, rosh kolel Breslav in Bnei Brak
Today in History – 27 Tishrei
· The wealthy Jewish community of Venice was sacked and impoverished, 1570.
· The town of Netanya was founded, named after Jewish American philanthropist Nathan Strauss, 1927.
· Operation Chiram was successfully completed, giving Israel effective control of the Galil, 1948.