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.

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……

Join me in Passaic-Clifton this Shabbos!

Very proud to mark the completion of a cycle of Talmud study on Tuesday night. Here is the video that is scheduled for that morning, describing the process for the 100k+ viewers who follow Jewish History in Daf Yomi at http://www.alldaf.org. New Series! Jewish History in the Torah The Mystery of Michelangelo’s Hebrew Support this……

Who was Rudolf Samoylovich? Livestream of the Siyum ha-Shas (Completion of study of the Babylonian Talmud) October 21 A message from the great people at AllDaf.org: The Jews of Venice New Series! Jewish History in the Torah

Good morning fellow students of Jewish history: I’m very honored to be marking a Siyum ha-Shas (completion of a cycle of study of the Babylonian Talmud) and would love to share the celebration with you. I’ve been working on this since April 2019, producing one video per each folio of the Talmud (2,711 when I’m……

Lecture Delivered after the Assassination of Mr. Charlie Kirk Question and Answer Session went long Azariah da Rossi and the Earthquake of 1570 New publication! Celebrating a completion of study of the Babylonian Talmud

Need something to read this Elul? Try one of these… Wednesday evening: “Mistakes were made (but not by me)”: A new approach to Vidui (confession) Thursday Evening: Webinar hosted by the University of Maryland

The “Other” Famous Medieval Jewish Explorer Wednesday Night: Rabbi Katz on Forgiveness! (My lectures are September 10, 17)

Personal Reflections on his Historical Contributions Starting this Wednesday Evening with Rabbi Katz! (I’m speaking on September 10 and 17) Thank you Charlotte R. Alexander!

What does Judaism look like with 400 years without Rabbis or Jewish books? Unpacked on Hasidism Teshuvah Unpacked with Rabbi Shua Katz