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.

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…

Really thrilled to be part of the inaugural visiting faculty of the Ashkenazium! Please check out this introductory video that beautifully captures the historic “vibe” of the school and its Dean, Dr. Michael Chigel.

A brief overview of the history of Jewish life in Egypt. After looking briefly at the Exodus itself, we look at some major population centers in Elephantine, Alexandria, and Cairo, to the present day. To avoid any possible confusion: this lecture does not argue for continuity between the Jewish population described in the account of…

A brief look at the social and economic background of the post-Talmudic era in Baghdad, with an important digression into the 8th-10th century revolution in information technology that helped propel the authority and influence of the Geonim. The following video will look at the early history of North Africa, an area influenced by their scholarship…

Premiering today at 12:00 noon ET.

Preliminary remarks on the study of the Jews in Africa, followed by The Jews of Ethiopia (origins to 1862). Premiering today at 12 noon ET. Note: for some reason this particular topic attracts an unusual amount of inappropriate commentary. Scholarly, collegial discussion is welcomed here; but I intend to remove hateful remarks, and commentators who…

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!

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…

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!