Really looking forward to meeting this community!

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




From a recent issue of the Queens Jewish Link (click here to read the full article) Hasidm, Mitnagdim and Maskilim (Lecture delivered at the JLI National Jewish Retreat) Tisha B’Av at Congregation Ahavat Torah, Englewood NJ Coming Soon: Discovering the Crypto-Jews of Portugal
Visiting my ancestral home in Lithuania, first family member in a century

Looking forward to discussing the history of Jerusalem!
Here’s a few notes on the Exodus that you might find useful. Have a wonderful holiday!

Our Annual Charity Campaign begins March 25! The 1642 Synagogue of Tykocin (Tiktin) A Lightning Survey of Russian Jewish History The Guide for the Perplexed: The Fruit of Haste is Regret The Jews of Ashkenaz Lectures

The Decline of Ashkenaz in the High Middle Ages From its Origins to the 20th century Maimonides on Biblical Metaphor

Join us for a live lecture at Touro University, Monday night! Difficult Topic. The Jews of Bukhara

Lecture open to the public! RSVP required Live Zoom link available to YouTube Channel Members, check your Community Tab for the link. The Elders of Kairouan Wondered: Is this guy for real? Jews and Commerce in Medieval Ashkenaz

Monday March 3: Please join me for this public lecture! Today: The Takkanot of Early Ashkenaz Resurgence of Antisemitism after October 7 (Project Witness Conference) Want to learn more?

Very enthused to be speaking at the following Yeshivot in Israel! Contact their offices for details: Second lecture in the History of Ashkenazic Jewry series Maimonides’ Guide for the Perplexed 3. Blockheads are Gonna Block Please join me for these public lectures!

Enjoyed this conversation with President Kadish and Dr. Leiman! Who Were The Mysterious Radhanites? The Remarkable Shem Tov Bible With Dr. Sharon Liberman Mintz, Judaica curator for Southeby’s, at a private viewing of this amazing 14th century Spanish Bible. Eurafrican Jews of the Caribbean


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…

Their screams suffuse the entire universe, and yet the universe does not revert to primordial waters. It continues to exist as if completely unaffected, Heaven forbid.

It was about this time of year, five hundred years ago, when we were refugees seeking asylum in Portugal. Then they seized our children. If we don’t care about what has been happening to migrant families today—shame on us.


