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.

Thank you to Mr. Paul Shaviv, a scholar and master educator, for supporting the Jewish History @ J series! His donation is in memory of Dr. Yishai Shachar z”l – 1935-1977, whose 39th Yahrzeit was on 5 Tishrei. ‘Haval al d’avdin..’ Historian, teacher, gentleman. On behalf of all the students who benefit from the lectures,…

“Who Was Vladimir Jabotinsky?” is sponsored by Norman and Bridgette Robinson in memory of Leona Robinson of blessed memory. In the words of her son, she was “an avid reader who loved history” who would have enjoyed this lecture. Thank to the Robinsons for becoming the first members of the Friends of Jewish History! Their…

Hello fans of Jewish History! We have some very exciting plans developing for the Fall 2016 lecture series. I’m thinking about organizing a live webcast, live Q&A sessions, and a few other really cool things. We are thinking about how we can bring the lectures to a new level of technical quality, and that’s where you…

Hey, here’s a nice article that Elisheva Schlam put on the Touro College website. They even splurged for a new headshot (above).  I like it, but it makes me look about ten years older than the last one we took, about a decade ago.  View the article in its original context, or read below. This…

I am grateful to Rebecca Odessa, an exceptionally talented artist, who recently created thirteen startling and powerful illustrations of the Thirteen Levels of Mercy as described in Rabbi Moshe Cordovero’s Date Palm of Devorah.  I am so pleased that my translation and commentary, entitled The Kabbalah of Forgiveness, helped her clarify her vision and translate it into these…

Maybe this you’ll like? Maimonides on Teshuvah: The Ways of Repentance Click here for the first chapter and some cool videos on the book. Here’s another book that’s super-appropriate for the High Holidays.  Excellent personal reading, and if someone is really angry with you, makes a great gift! (I have given it to several of…