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……

Here’s the video of the talk I gave at The WELL, my favorite institution of Sephardic Studies in New York. Really wonderful audience. Having difficulty seeing the video? Click here.

In early April 1940, Warsaw Jews were distressed to witness the initial construction of walls in several parts of the city. Up until this point, the concentration of Jews in certain parts of Warsaw was effected by administrative decree, with few permanent physical structures demarcating the boundaries of the ghetto. Debates raged within the Nazi……

Can’t see the video? Please click here.

Happy to see this Spanish translation of The Kabbalah of Forgiveness forthcoming in the next few weeks! The cover is really striking. Thanks to Jésica Neuah at Editorial Perspectivas!

Wow–just heard that Torah from the Years of Wrath got promoted to the window display at M. Pomeranz Books in Jerusalem! Thanks to my friend Dr. Mike Chigel for plugging the book to MR. POMERANZ HIMSELF, shown here just outside the display!

In commemoration of Yom Ha-Shoah, our Jewish History lecture on Monday night will be dedicated to a topic frequently overlooked in discussions of the Holocaust: the experience of Sephardim. Please click here for details. Most of my own published work on the Holocaust has been in the Askhenazic world, notably my recent study of the……

Very honored to be speaking with Rabbi Eli Mansour for The WELL, a wonderful new institution dedicated to women’s education in the Sephardic community. Please spread the word! This lecture is open to men and women.

Available from Amazon Hardcover 15% off at Lulu After the fall of the Russian Empire, Jewish and Ukrainian activists worked to overcome previous mutual antagonism by creating a Ministry of Jewish Affairs within the new Ukrainian state and taking other measures to satisfy the national aspirations of Jews and other non-Ukrainians. This bold experiment ended……

After several weeks without recording a drashah, perhaps related to the horrendous typhus outbreak of the late winter of 1941, the Rebbe delivered a series of powerful derashot for the Passover holiday.  On the Seventh Day of Pesach he turned his attention to the subject of Torah learning.  The memoirs of Chaim Kaplan, a former principal, describe……

Passover in the Warsaw Ghetto: Inspiration for the Second Seder Taken from Torah from the Years of Wrath (Aish Kodesh) אני מבקש ומתחנן לפני כל אחד מישראל שילמוד בספרי, ובטח זכות אבותי הקדושים זצוקלל״ה יעמוד לו ולכל ביתו בזה ובבא “I request and plead every person of Israel to study my works—surely the merit of……

Brief lecture on the life and work of Judah Touro, an important 19th-century American philanthropist for whom, together with his father Isaac, Touro College was named.