Brief video lecture on the life and work of Isaac of Vienna (c. 1180-c. 1250), author of the important Or Zaru’a.

We begin our discussion of the Jews of the Danube with the question: “Who Was Isaac of Vienna (the Or Zaru’a)?”

Unexpected and unexplained, a phalanx of glass obelisks emerge silently from the earthen mound, punctuating the atmosphere above what appears to be an anonymous tel. Some are transparent, others pebbled and translucent, but all glow with a faint green hue. Unyielding, they stand in rigid formation on the angled surface of the earth. These mute…

When the Hungarians purchased their alphabet, vowels were on sale (also plastic sofa coverings and chandeliers). By the time the Poles came around, all that was left were the consonants. This helps explain why we anglophones are so challenged by both languages: in the case of Hungarian, there are just way too many umlauts and…

Abandoned Nazi trucks were discovered by children playing in the shallows of the diminished Danube.

Hello fellow students of Jewish history! Today our exploration of Jewish heritage along the Danube River valley begins in Budapest, home to one of the largest concentrations of Jews at the turn of the 20th century. I’m really thrilled to be together with so many people who share my passion for the amazing story of…

This article appeared, in slightly abbreviated form, in today’s Forward. So many colleagues and friends–fellow students of the Rebbe–contributed moving quotations on the Facebook page dedicated to the Rebbe. Laura Adkins’ editorship at the Forward is really great, and the final version is certainly more appropriate for the wider audience. If you would like to…

The Jews of the Danube Fall 2018 Lecture Series Lectures in Europe: October 2018 Lectures in Brooklyn: November-December 2018 From its headwaters in Germany’s Black Forest to its final destination in the Black Sea, the Danube River flows through ten countries and over ten centuries of Jewish history. Great cities like Vienna and Budapest punctuate…

Hello friends and colleagues: Thank you for your consistent support and enthusiasm. I am delighted that so many people share my passion for Jewish history and thought, and consider it a rare privilege to share my research with you online and in person. I wish you all a blessed New Year of spiritual and material…

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…