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…


The Life of the original Nazi Hunter The Expulsion of the Jews from Medieval Ashkenaz The Roman-Jewish Wars, 66-135 CE Join me at the National Jewish Retreat! Really pleased to be joining a tremendous roster of speakers in Palm Springs this month for the National Jewish Retreat! Please click here for more information.

Surprisingly insightful look at the nature of Jewish humor At first I was concerned that this was released during the 9 Days, but it actually has a lot of relevance to this sad time of the year. Very proud–as always–to have had a small role in putting this together with the remarkable team at Unpacked.…

A Fascinating and Influential Movement in Medieval Ashkenaz Unpacked on a Morally Challenging Topic in American History

Latest Episode of the Jewish History Lab Join me this Shabbos in Manhattan at the extremely cool Altneu Synagogue! I just thought this was so fascinating. Season 2 Finale: Sara Schenirer! Click here to listen to Yael and Schwab discuss the life and work of this remarkable woman!

Who is a Jew? An Israelite? A Hebrew? Two New Podcasts from Yael and Schwab The Expulsion of Ashkenazi Jews and the Origins of Polish Jewry

Two 16th Century Protestant Thinkers on How to Deal with Jews The Amazing Talmud of the Land of Israel!

Click here for Yael and Schwab’s discussion of the heroic, poetic Hannah Szenes. New Episodes in the Jewish History Lab series

Always amazed with the great team at Unpacked Honored to have made a small contribution to this sophisticated yet humorous video. This is a really bizarre story: the tragic controversy over cantorial style in Amsterdam, 1709 New Videos in the Birth of Ashkenaz Series

Really impressed with the amazing team at Unpacked! Very proud to have a small share in putting this video together. Three New Videos on Medieval Ashkenaz View the whole playlist here: Wuhsha the Broker: An Amazing Story from the Cairo Geniza Yael and Schwab ar the ULTIMATE Jewish history Nerds! Very thrilled that the second…

Ever wonder why Havdalah Boxes look like little towers? Who was Carl Lutz? Another complex and powerful video from the team at Unpacked Meet this 20th c. Italian Villager who Invented Judaism from scratch The story of Danuto Manduzio and the Jews of San Nicandro, Italy.

While I was in Budapest with the Ashkenazium, two really amazing episodes of the Jewish History Nerds podcast dropped. Fantastic experience working with Yael, Schwab and Rivky at Jewish History Nerds! Click here for the latest episodes: Sara Copia Sullam and Johannes Eisenmenger, or wherever you get your free podcasts. Great Conversation with Jeff Cohen…

Join Dr. Daniel Reiser, Dr. Michael Chighel and myself for a discussion of the life and works of the holy Rabbi Kalonymus Kalmish Shapiro. The schedule of presentations and discussions is available here. Admission is free, but you have to be in Budapest: Duna utca 1, 18:00. For those of you who live elsewhere, we…