Really looking forward seeing my friends at YILC!

Lectures in Jewish History and Thought. No hard questions, please.





Looking forward to speaking to the Fort Lee community. If you’re in town, please join us and say hello!

Looking forward to speaking in Ramat Bet Shemesh! New Series: Artificial Intelligence in the Context of Jewish History (and the Jewish Future)

Very proud to mark the completion of a cycle of Talmud study on Tuesday night. Here is the video that is scheduled for that morning, describing the process for the 100k+ viewers who follow Jewish History in Daf Yomi at http://www.alldaf.org. New Series! Jewish History in the Torah The Mystery of Michelangelo’s Hebrew Support this…

Who was Rudolf Samoylovich? Livestream of the Siyum ha-Shas (Completion of study of the Babylonian Talmud) October 21 A message from the great people at AllDaf.org: The Jews of Venice New Series! Jewish History in the Torah

Good morning fellow students of Jewish history: I’m very honored to be marking a Siyum ha-Shas (completion of a cycle of study of the Babylonian Talmud) and would love to share the celebration with you. I’ve been working on this since April 2019, producing one video per each folio of the Talmud (2,711 when I’m…
Please celebrate with me! Two Lectures from the Teshuvah Unlocked Series

Lecture Delivered after the Assassination of Mr. Charlie Kirk Question and Answer Session went long Azariah da Rossi and the Earthquake of 1570 New publication! Celebrating a completion of study of the Babylonian Talmud

Need something to read this Elul? Try one of these… Wednesday evening: “Mistakes were made (but not by me)”: A new approach to Vidui (confession) Thursday Evening: Webinar hosted by the University of Maryland

The “Other” Famous Medieval Jewish Explorer Wednesday Night: Rabbi Katz on Forgiveness! (My lectures are September 10, 17)

Personal Reflections on his Historical Contributions Starting this Wednesday Evening with Rabbi Katz! (I’m speaking on September 10 and 17) Thank you Charlotte R. Alexander!


Some background to my wife’s altruistic kidney donation two years ago on Erev Yom Kippur. You can help! Click here to support kidney donation through Renewal.

Some historical thoughts on recent usage of the word “pogrom” to describe the current situation in some Israeli cities. Thanks to JTA Editors Philissa Cramer and Andrew Silow-Carroll for shaping the article.

Two brief discussions of the history of women in the Medieval period, 12 pm ET (New York Time) with live chat. Join us!

After a brief overview placing the medieval period in historical context, we look more deeply at two especially noxious false charges: the Blood Libel and Desecration of the Host.

A look at the role of Jews in the medieval European economy, with emphasis on trade and finance. Premiering today at 1pm ET (New York Time) with live chat.

Please join us this Sunday for an outdoor gathering honoring our community’s heroic kidney donors.

After a discussion of Jewish communal structure in the medieval era, we will look at the devastation of the First Crusade and the Rhineland Massacres of 1096, follow up with some thoughts on the long-term impact on Ashkenazi Culture. Premiering today at 1 pm.
Yikes! This interview started out with a lot more personal material than I intended, but I had a lot of fun speaking with my colleague and friend Dr. Michael Chighel, Dean of Ashkenazium Jewish History MA in Budapest. Enjoy in good health!

Here’s the latest videos from the Jewish History Lab series.

Brief review of the troubled journey of Rabbi Moshe Hayim Luzzatto, a brilliant young scholar of the 18th century who was persecuted by opponents and hounded across Europe before finding his way to the more tolerant intellectual climate of Amsterdam.

//embed.chabad.org/multimedia/mediaplayer/embedded/embed.js.asp?aid=5035317&width=auto&height=auto&HideVideoInfo=false “Truth will Sprout from the Earth: Gutenberg, the Internet, and the New Uncertainty Principle.” Presentation at the XIII International Torah and Science Conference, Miami. Introductory remarks by Dr. Nathan Katz.

Runaway Yeshiva Bochur’s Work May Aid COVID Research The Jewish Star (March 24, 2021) Shortly after emigrating to Israel in 1901, this Telz-educated orphaned son of a rosh yeshiva earned an unlikely nickname: “the crazy fly-catcher.” Israel Aharoni’s odyssey into the world of middle eastern zoology, long recognized in the scientific world with over 30…