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…


New lecture in the series Jewish History for Parents and other Teachers of Children This 13th Century Rabbi Refused to be Ransomed from Captivity
I recorded this before Simchas Torah, so the tone is a little more cheerful and upbeat than I feel. But maybe that’s appropriate: we must continue.

Recording of Live Lecture The Jews of Arles, France

Please join me for a discussion of this 16th c. Kabbalistic Work

The Miraculous Revival of the Middelburg Synagogue What is the Meaning of the Bleeding Pelican? A Remarkable Moment in an Antwerp Synagogue A Gute Herring!
This 17th century Dutch Jewish Financier gives the BEST Stock Tips!

Mock Trial held at the Jewish National Retreat Unpacked Riffs on the Golem A Thousand Years of Ashkenaz: 19 Videos Added! Click here to register for this online course! Get Ready for Elul with Maimonides on Teshuvah Click here to order your copy! Now on sale for Elul.

The Ashkenazi Migration to Eastern Europe Jewish Hero Saves 600 Children in Nazi-Occupied Amsterdam Tom Metcalfe on Elephants in Medieval Art in National Geographic Really honored to be interviewed for this fascinating National Geographic piece on the depictions of elephants in medieval art. Here’s the link to the article, although you might need to subscribe…