Yohanan ben Zakkai
1st-century rabbi and Jewish leader
Yohanan ben Zakkai (Hebrew: יוֹחָנָן בֶּן זַכַּאי, romanized: Yōḥānān ben Zakkaʾy; 1st century CE), sometimes abbreviated as ריב״ז ribaz for Rabbi Yohanan ben Zakkai, was a tanna, an important Jewish sage during the late Second Temple period during the transformative post-destruction era. He was a primary contributor to the core text of Rabbinic Judaism, the Mishnah. His name is often preceded by the honorific title Rabban.
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