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.

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.

School principal Chaim Kaplan recorded the bleak mood in the Warsaw Ghetto on the eve of Passover of the Hebrew year 5701 (1941): Like the Egyptian Passover, the Passover of Germany will be celebrated for generations.  The chaotic oppression of every day throughout this year of suffering will be reflected in the days of the…