Really looking forward seeing my friends at YILC!

Lectures in Jewish History and Thought. No hard questions, please.





Some background to my wife’s altruistic kidney donation two years ago on Erev Yom Kippur. You can help! Click here to support kidney donation through Renewal.

Some historical thoughts on recent usage of the word “pogrom” to describe the current situation in some Israeli cities. Thanks to JTA Editors Philissa Cramer and Andrew Silow-Carroll for shaping the article.

Two brief discussions of the history of women in the Medieval period, 12 pm ET (New York Time) with live chat. Join us!

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.
Yikes! This interview started out with a lot more personal material than I intended, but I had a lot of fun speaking with my colleague and friend Dr. Michael Chighel, Dean of Ashkenazium Jewish History MA in Budapest. Enjoy in good health!

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…


The Nuremberg Laws of 1935 defined, for the purposes of the Nazi regime, exactly who was considered a Jew. This was an essential element in the unfolding of the Holocaust, as the Nuremberg Laws allowed the Nazis to first identify, then exclude, and finally attempt to eliminate Jews from German society. Part of the “This…

Briefly but notoriously mentioned in both Josephus and the Gospels, Salome was the granddaughter of King Herod who is best known for a salacious performance that resulted in the execution of John the Baptist. Who was Salome, and does her bit part play a significant role in the representation of Jews and Judaism in medieval…

Rabban Yohanan ben Zakkai (d. c. 85 ce) was one of the most influential figures in ancient Jewish history. Emerging from the ruins of the destroyed Temple, Rabban Yohanan ben Zakkai led the Jewish people through the dangerous first years after the devastation of the last remnants of their state by the Romans. A disciple…

I’ve been selected as a presenter to speak about my latest book, The Kabbalah of Forgiveness: The Thirteen Levels of Mercy in Rabbi Moshe Cordovero’s Tomer Devorah (The Date Palm of Devorah). Please check out the Limmud’s Facebook Page or website for more information (the full schedule and list of presenters will be live in December). Hope…

Concise video lecture describing the four main expressions of antisemitic ideology in the medieval period. Warning: images are disturbing. Breaking the history of antisemitism into four major periods (Ancient Xenophobia, Early Christian Anti-Judaism, Medieval Jew-hatred, and Modern Antisemitism), Dr. Abramson focusses on the third period to look at the ideological basis for the false…

The Jewish Biography as History series at the Young Israel of Bal Harbour continues this week with a presentation on Rabban Yohanan ben Zakkai, a major figure whose bold and heroic leadership rescued the Jewish people from the threat of national oblivion in the wake of the destruction of Jerusalem in the first century. Lectures…

An introductory lecture on the role of Jews in the medieval economy. Part of the Essential Lectures in Jewish History series.

I’m so glad that so many of you decided to download my latest book, “The Kabbalah of Forgiveness: The Thirteen Levels of Mercy in Rabbi Moshe Cordovero’s Date Palm of Devorah (Tomer Devorah).” I’m also very grateful that many of you have found this work meaningful, especially in the rare moment of the season of…

This lecture serves as an introduction to the Rishonim, a body of Rabbinic scholars associated with the 9th through the 15th centuries of the common era. Part of the Essential Lectures in Jewish History series. Image source: Wikimedia Commons.