Really looking forward seeing my friends at YILC!

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





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…


Good morning fellow students of Jewish history. Please join me today for a discussion of the implications of postmodernism and the digital age in the XIV Torah and Science conference, held virtually at this link. My presentation is at 1:45 PM ET, the conference program is below. I hope to release a recording later, but…

Sunday Premiering today at 12pm ET: Jewish Migration to the New World. Following up on the previous Jewish History Lab video on the Origins of the Jews in the New World, this brief video will survey the major waves of Jewish migration in the 18th-20th centuries. Tuesday Final lecture in the three-part series entitled Hasidim,…

Strange but true: Jewish sources largely ignored the history of Chanukah until the 10th century! Here’s a quick review of the major works, and how they affected the Jewish memory of this remarkable period in Jewish history. Here’s a few Sefaria links to texts mentioned in the video: Relevant section of Talmud, Tractate Shabbat Megilat…

Review of Reuven Melekh ben Binyamin Yitzhak Schwartz, Emek Ha-Sufganim: Iyunim u-beiurim be-inyan minhag akhilat sufganim be-yemei hanukah Israel: Sh. Vaynraikh, Hanukah 5780 (2019), 431 pages. For a copy, please contact your local Jewish bookseller or the phone numbers listed on the copyright page: (718) 253-2804; (516) 581-3597; (718) 501-3165. Interested in studying more deeply?…

The Misnagdim Strike Back! Part II of the series on Hasidim, Mitnagdim and Maskilim: The Formation of Jewish Identity. Open to the Community at Beit Midrash of Teaneck, 70 Sterling Place, Teaneck NJ. Tuesday, November 30 at 11:45 am. Please write BMTeaneck@gmail.com for Zoom links. Take your learning to the next level: try a course!

We begin with 23 bedraggled refugees from the Inquisition, sailing into the harbor of what would become New York.
Three live lectures at Beit Medrash of Teaneck, 70 Sterling Avenue, Teaneck NJ 07666. Tuesdays November 23, November 30, and December 7. 11:45 AM ET. Please write BMTeaneck@gmail.com for Zoom information.

A brief look at the life and times of one of the most notorious false messiahs of Jewish history.

The Torah and Science Conference will be virtual this year, please visit http://www.torahscienceconference.org for details. I’m looking forward to speaking on “Artificial Intelligence and Artificial Wisdom: Postmodernism and the Digital Age,” Thursday December 9 at 1:45 pm ET. Join our class! Click here for course information and registration.

On the one hand, Maimonides and later Chabad traditions. On the other hand, some archaeological examples. Here’s a brief look at what we know. Now online! A new course in Biblical Jewish History. Check it out here, and join us!

Really thrilled to have so many people sign up for this new online course! If it interests you, please click here to check out the syllabus, and join us!
If only it were over so quickly. My part of a Kristallnacht commemoration at YILC. Warning: some graphic images.