Really looking forward to meeting this community!

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




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……

Hello everyone! Please visit this site for my translation of Rabbi Moshe Cordovero’s classic Tomer Devorah (The Kabbalah of Forgiveness), a text often studied at precisely this time of year as we strive to improve our relationships with each other, with G-d, and with ourselves. The site also features a series of brief videos on each……

The Jews of the Danube Fall 2018 Lecture Series 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 its course through East-Central Europe, the cradle of much of……

The invisible yet palpable echo of the crypto-Jewish tradition resonates through Portugal like the far side of a conversation faintly overheard in another person’s cell phone. A rush of sibilants or an exclamation of laughter confirms the reality of the distant interlocutor, even though we do not see her before us. The history of Portugal’s…

Join me in this global effort to prepare for Rosh Hashanah and Yom Kippur this year!

Hasidim of the Aish Kodesh should take note: this is likely the face of one of the murderers of Rabbi Kalonymus Kalmish Shapira hy”d. Jakiw Palij, a longtime resident of Queens, New York, was recently extradited to Germany for filing false information while immigrating to the United States after World War II. Palij served as……

Hello students, friends and colleagues– We still have a few hours before the onset of Shabbat and the possible arrival of Mashiach, but if we have to make it through another Tisha B’Av– If you are in Fort Lee, NJ Sunday morning or Crown Heights, Brooklyn Sunday afternoon, please join me for presentations on the……

Thanks to Ben Rothke for this kind review of Torah from the Years of Wrath in this week’s Jewish Link of New Jersey. I am very grateful to be a part of the community that values and spreads the teachings of the Piaseczno Rebbe; nice to see positive reviews! Keeping the Faith By Ben Rothke……

Hello everyone– My father’s yortsayt is coming up next week, and as in previous years I hope to begin another cycle of study of Maimonides on Teshuvah. Please visit the Maimonides on Teshuvah page page to learn more about how to participate in this free, Global Study of Maimonides program. Posts will also appear……


Wishing you all a redemptive Passover season.

“My parents went to Mt. Ebal and all I got was this lousy lead curse tablet.” This video is part of the Biblical Jewish History online course (click here for information and registration). Judaism in Medieval Ashkenaz (The Ashkenazium Lectures Part 3) Passover Thoughts on Jewish History and the Situation in Ukraine Lecture delivered as……

The History of the Jews of Ukraine in the Context of the Current Crisis The Social and Economic Foundations of Medieval Ashkenaz Premiering today at 11:00 am EDT (New York Time). Join us for a live chat (58m). Online Courses
Really proud of my son Aryeh for his upcoming competition at the 2022 Maccabiah games in Shotokan Karate. Please consider support his mission by clicking here: https://secure2.convio.net/musa/site/TR;jsessionid=00000000.app208a?px=1099195&fr_id=1160&pg=personal&NONCE_TOKEN=E0AB7F850711AC3D5904F77E36715460 Well done Aryeh! Thank you all!

The first in a series of twelve lectures delivered at The Ashkenazium of Budapest. Join us at 11:00 am (New York time) for a premiere and live chat. The last four lectures will be delivered on Monday and Tuesday: sign up for free registration at http://www.bit.ly/ASHKENAZ2022. The Jews and D-Day Did you know that some……

Join me for a discussion of the economic, social, political and religious background of the violent Khmel’nyts’kyi Uprising of 1648-49. Trigger warning: some cherished, yet incorrect, stereotypes may be challenged. Video with live chat.

With gratitude to The Ashkenazium and its Dean, Dr. Michael Chighel, I am pleased to offer twelve lectures on the history of Jews in Ashkenaz to the global audience. Please visit http://www.bit.ly/ASHKENAZ2022 to register for free! Can’t make the live classes? No problem. Sign up for the course I put together to prepare my Hungarian……

Twelve Lectures on the Jews of Ashkenaz (Free Registration) With gratitude to Dean Michael Chighel of The Ashkenazium of Budapest, my new series of lectures on the history of the Jews of Ashkenaz will be open to the global community of students of Jewish history via webinar. Please visit http://www.bit.ly/ASHKENAZ2022 for details and registration. Lectures……

A brief discussion of the election of Volodomyr Zelensky in the larger context of Ukrainian-Jewish history. Recorded on March 4, 2022 with hope for a speedy return to peace for Ukraine and its people.

My grandfather died, suddenly, on the rarest date of the year: March 3, 1957, which coincides with today, the 30th of Adar Rishon. It’s a leap year date that only appears seven times in the nineteen-year cycle of the Hebrew calendar. Following our Lithuanian Jewish custom, we observe his death anniversary on the 1st of……

I recorded this video just hours before the Russian invasion of Ukraine, motivated by Mr. Putin’s bizarre speech denying the historical legacy of the Ukrainian people.


