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 students of Jewish History! Just a reminder that we will not be meeting tonight; classes will resume on Monday May 7. You can always use the extra time to catch up on some reading! Click here for a few suggestions. Looking forward to learning with you next week, the penultimate lecture in the…

Good morning– Just a quick note to those who attend in person at the Mighty Avenue J campus: we will not be meeting this Monday, April 30. Planning to reconvene on Monday, May 7 with the penultimate lecture of the season–the history of the Crypto-Jews. Fascinating stuff, I think. H P.S. Seeking sponsors for the…

Here’s the video of the talk I gave at The WELL, my favorite institution of Sephardic Studies in New York. Really wonderful audience. Having difficulty seeing the video? Click here.

In early April 1940, Warsaw Jews were distressed to witness the initial construction of walls in several parts of the city. Up until this point, the concentration of Jews in certain parts of Warsaw was effected by administrative decree, with few permanent physical structures demarcating the boundaries of the ghetto. Debates raged within the Nazi…

Happy to see this Spanish translation of The Kabbalah of Forgiveness forthcoming in the next few weeks! The cover is really striking. Thanks to Jésica Neuah at Editorial Perspectivas!
Can’t see the video? Try clicking here.

Wow–just heard that Torah from the Years of Wrath got promoted to the window display at M. Pomeranz Books in Jerusalem! Thanks to my friend Dr. Mike Chigel for plugging the book to MR. POMERANZ HIMSELF, shown here just outside the display!

In commemoration of Yom Ha-Shoah, our Jewish History lecture on Monday night will be dedicated to a topic frequently overlooked in discussions of the Holocaust: the experience of Sephardim. Please click here for details. Most of my own published work on the Holocaust has been in the Askhenazic world, notably my recent study of the…

Very honored to be speaking with Rabbi Eli Mansour for The WELL, a wonderful new institution dedicated to women’s education in the Sephardic community. Please spread the word! This lecture is open to men and women.

Available from Amazon Hardcover 15% off at Lulu After the fall of the Russian Empire, Jewish and Ukrainian activists worked to overcome previous mutual antagonism by creating a Ministry of Jewish Affairs within the new Ukrainian state and taking other measures to satisfy the national aspirations of Jews and other non-Ukrainians. This bold experiment ended…