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…

This strange sculpture above the “Jewish Door” of the Saint Siffrein Cathedral continues to mystify visitors to Carpentras, France. What does it mean?

This was, for me personally, one of the highlights of my trip with Kosher River Cruises along the Rhone in the south of France. The President of the Carpentras synagogue, Mr. Meyer Benzecrit, graciously invited me to tour a section of the 14th century synagogue not yet open for public view. Excavations have revealed some…

Join me for three rather idiosyncratic, surprising lectures on the history of the Talmud and its transmission in the modern era. Three Wednesdays beginning November 13 at the Young Israel of Lawrence-Cedarhurst. Free and open to the community, no hard questions please.

Today was an absolutely fascinating day of discovery of Jewish history, exploring the 14th century synagogue in Carpentras, France: the second-oldest currently functioning synagogue in Europe. There are so many amazing things to view, so I’ve decided to break it up into several small videos, starting with this one, which looks at the entrance to…

Expelled 500 years ago, a traces of medieval Jewish life yet remain in this city on the Rhone river.

Gut moed students of Jewish history! Peter Gwin of National Geographic just released a podcast discussing the research of Dr. Beverly Goodman, a marine archaeologist at the University of Haifa. She’s spent years studying the mysterious destruction of Herod’s port at Caesaria, and argues that it was destroyed in the tsunami of 115. Besides the…