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.

Crash Course in Jewish History  (for very intelligent people) Extra Credit Readings for First Class: Wednesday, September 4, 2019 (privileges will be revoked for anyone who asks hard questions) Ancient History Wednesday, September 4, 2019 What is Jewish History? Peter Steinfels, “Salo Baron, 94, Scholar of Jewish History, Dies,” New York Times, November 26, 1989. 2.…

Great conversation with Max Sklar on The Local Maximum podcast!

Okay, this is going to be something different: four concentrated lectures on absolutely all of Jewish history, skipping the boring parts so we can cover it all. Free and open to the community; might be recorded for the Internet but depends on if anyone asks hard questions. Join us! Wednesdays in September 2019, 7:30-8:30 pm…

A world-class scholar of the Holocaust speaks at Touro College.

I’m really looking forward to lecturing at Citi Field next month as part of the incredible Torah NY gathering. There are going to be some absolutely phenomenal speakers there, including Rabbis Moshe Elefant, Moshe Schwed, Ya’akov Trump, Stephen Weil. They have also let me know that there’s a secret 10% discount for all registrations that…

Please join us at Young Israel of Lawrence-Cedarhurst for four lectures in Jewish History! Details below.

This week was unusually busy for interviews! Kind of surprised that people want to talk to me about this stuff, but really glad there are others who find this research FASCINATING. Yesterday I had a great convo with Rabbi Sholom Licht for a print article in Jewish Action. Our discussion began with the Jewish History…

“We were only a few broken Jews with two books, but…the day of the Siyum HaShas was my day of victory, the day of victory for all survivors, and the day of victory for every ‘Talmud Jew.’” The brick crematoria of Dachau had barely cooled when the surviving remnants of European Jewry were called upon…