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…


Here’s your opportunity to get an advance look at the first volume of my forthcoming The Jewish People: A History. Dear fellow students of Jewish History! I am in the last few months of producing the manuscript of volume one of my forthcoming book, The Jewish People: A History. I’ve been trying an experiment in…

Official languages of the seminar are Ukrainian and English, with simultaneous translation. The conference is open to the public. Here is a brief translation of the program with the full details in Ukrainian below. Petliura and “The Petliura Affair:” De(constructing) an Imperial Myth Friday, April 29, 2022, 10:00am-1:00pm ET Via Zoom: http://www.bit.ly/HREC-Petliura. Zoom address: 874…

Professor Norman Golb’s amazing, old-school discovery in the British Library collection of Geniza documents. The Sabbatean Episode (The Ashkenazium Lectures Part VI) New Chapters appearing in Biblical Jewish History Course

Wishing you all a redemptive Passover season.

“My parents went to Mt. Ebal and all I got was this lousy lead curse tablet.” This video is part of the Biblical Jewish History online course (click here for information and registration). Judaism in Medieval Ashkenaz (The Ashkenazium Lectures Part 3) Passover Thoughts on Jewish History and the Situation in Ukraine Lecture delivered as…

The History of the Jews of Ukraine in the Context of the Current Crisis The Social and Economic Foundations of Medieval Ashkenaz Premiering today at 11:00 am EDT (New York Time). Join us for a live chat (58m). Online Courses
Really proud of my son Aryeh for his upcoming competition at the 2022 Maccabiah games in Shotokan Karate. Please consider support his mission by clicking here: https://secure2.convio.net/musa/site/TR;jsessionid=00000000.app208a?px=1099195&fr_id=1160&pg=personal&NONCE_TOKEN=E0AB7F850711AC3D5904F77E36715460 Well done Aryeh! Thank you all!

The first in a series of twelve lectures delivered at The Ashkenazium of Budapest. Join us at 11:00 am (New York time) for a premiere and live chat. The last four lectures will be delivered on Monday and Tuesday: sign up for free registration at http://www.bit.ly/ASHKENAZ2022. The Jews and D-Day Did you know that some…

Join me for a discussion of the economic, social, political and religious background of the violent Khmel’nyts’kyi Uprising of 1648-49. Trigger warning: some cherished, yet incorrect, stereotypes may be challenged. Video with live chat.

With gratitude to The Ashkenazium and its Dean, Dr. Michael Chighel, I am pleased to offer twelve lectures on the history of Jews in Ashkenaz to the global audience. Please visit http://www.bit.ly/ASHKENAZ2022 to register for free! Can’t make the live classes? No problem. Sign up for the course I put together to prepare my Hungarian…

Twelve Lectures on the Jews of Ashkenaz (Free Registration) With gratitude to Dean Michael Chighel of The Ashkenazium of Budapest, my new series of lectures on the history of the Jews of Ashkenaz will be open to the global community of students of Jewish history via webinar. Please visit http://www.bit.ly/ASHKENAZ2022 for details and registration. Lectures…