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…


Looking forward to a wonderful Shabbat in the Denver Jewish community! Our Itinerary of Discovery in the Western Caribbean Channel Members Premiering at 10am ET

Fantastic Voyage of Discovery with Kosher River Cruises A Difficult Conversation Recent Conference Presentation in Toronto

Surprised how much attention this got. Herod’s Tragic Reign The Fatal Conflict

Remarks at Lander College for Men Maimonides and the Controversy over His Work

Public at 10am ET (44 minutes) Online Courses in Jewish History

This is one of the most bizarre periods of Jewish history, and that’s saying a lot.

New Lecture Series: The History of Sephardic Jewry

Stories of Personal Transformation for Elul Napoleon’s 1808 Imperial Decree on Jewish Names The History of Sephardic Jewry (Lecture, 75 minutes) Jews, Wine, and Bordeaux (7 minutes)

Jewish Resilience after the Bar Kochba Rebellion New Series! Cool Things I Read in the Encyclopedia Judaica YouTube Colleagues: Volume II of The Jewish People: A History now appearing online

Revised with several more videos, new online quizzes to test your knowledge of Biblical Jewish History! Napoleon’s 12 Questions and the Fateful Jewish Answers Depictions of Jewish Women in the Tripartite Mahzor

I can’t believe the audience stayed for almost two hours. Tisha B’Av lecture at Congregation Ahavat Torah in Englewood, New Jersey Tu B’Av in Jewish History Shabbaton in Washington, September 13-14