February 20, 2025

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Rabbi Dr. Joshua Waxman

Rabbi Dr. Joshua Waxman teaches computer science at Stern College for Women, and his research includes programmatically finding scholars and scholastic relationships in the Babylonian Talmud.

Articles by Rabbi Dr. Joshua Waxman

Rav Hamnuna Loses His Oxen

  In Sanhedrin 61a, Rav Hamnuna lost his oxen and went searching for them. Rabba bumped into him and took the opportunity to pose a

Synesthesia at Har Sinai

Rabbi Yehoshua ben Korcha states in a Mishna (Sanhedrin 56a) that, during a trial for blaspheming, the witnesses are asked to use an appellation of

Sanhedrin 49b: Rav Sechora

Let us say your father and rebbe are both carrying heavy boxes and need assistance putting it down. A mishna in Bava Metzia 33a says

Sanhedrin 40b: Ben Zakkai

Ben Zakkai appears in Sanhedrin 40a, but I don’t know who he is. The Mishna states that whoever increases in bedikot—examinations of witnesses about tangential

Sanhedrin 3a

As we begin Sanhedrin, we encounter Rabbi Yonatan (ben Yosef) of the Land of Israel arguing with Rabbi Yoshia of Babylonia. These are fifth-generation Tannaim

Rav Nachman bar Yitzchak, Name-Giver?

Last week’s column (“Plain Rav Nachman,” December 5, 2024) presented several opinions as to plain Rav Nachman’s identity. Tosafot argue (A), that he was third-generation

Plain Rav Nachman

In Bava Batra 152a, Rav Nachman bar Yitzchak sat before Rava, and Rava was sitting before his teacher Rav Nachman (bar Yaakov), whereupon Rava asked