Classes by Mordechai Dinerman

Throughout history, Jewish communities have thrived in diverse locales, each presenting unique agricultural schedules. While adhering to the prohibition against eating chadash proved feasible in some regions, in others, it posed significant obstacles to daily life. This class delves into the strategies employed by the Ashkenazi rishonim and the legendary Acharonim of Poland, explor

In 1759, a clandestine faction of Shabetai Tzvi’s followers in Poland committed a startling act: they collectively converted to Christianity while simultaneously accusing Jews of the age-old fabrication of using blood in matzah production. Despite the longstanding existence of the blood libel, this marked the first instance where the accusation was made by citing and distorting T

The Kittsee Haggadah The library of Agudas Chasidei Chabad houses a remarkable manuscript crafted in 1760 by the talented scribe and artist Chaim ben Asher Anshel of Kittsee, near present-day Bratislava. We’ll trace the journey of this Haggadah from its creation to its acquisition by the Frierdiker Rebbe. Opening this manuscript, we’ll examine its layout, artwork, nusach, and s

In the year 1550, two non-Jewish printers published competing editions of Rambam’s Mishneh Torah. One of them partnered with an esteemed rabbi from Padua, who, in his quest for support, turned to Rabbi Moshe Isserlis. Rama’s response along with a careful examination of the printed volumes unveil the details of this dispute. Rama’s scholarly answer also sheds light on various

There have been tragic instances where Jewish women felt compelled to take drastic measures to save the lives of their fellow Jews. When rabbis were presented with these real-life cases, they turned to the story of Esther for inspiration and guidance. Seduction and Sacrifice: From the Purim Story to the Responsa Literature

Today, we explore enigmatic Megilahs, where the absence of the text eclipses the written word. We’ll learn that this peculiar phenomenon is just a fragment of a larger tendency reflected in the Geniza to produce incomplete texts. We shall unravel the motivations behind this practice, reminding us of the formidable challenges in reproducing sacred texts by scribal hand. Links: F

Tunisian Jews used to refer to Tanach with a very odd name, and few understood why. Fortunately, illuminated medieval Jewish manuscripts can help solve this mystery. They bring us back to the 14th century, where we find Rabbi Yitzchak ben Moshe Halevi fervently contending that there has been a neglect of studying Tanach and that this is akin to abandoning the sacred Beis Hamikdash.

When we examine medieval manuscripts that feature Aleinu, we uncover intriguing instances of censorship within this ancient prayer. What motivated these textual alterations, and can they be linked to a specific historical event? Delving into this subject unveils a significant episode from the year 1390, shedding light on the numerous amendments and erasures made to the text. These

Favorite Episodes Are our dreams significant? Do they have predictive value? Should we pay heed to their warnings? The Talmud seems to offer contradictory teachings on this subject, and this will lead us toward two classic approaches to this matter. The Meaning of Dreaming: Talmudic Perspectives

Click here to view the class PowerPoint slides. Favorite Episodes | Initially released in July 2023. We are all acquainted with the renowned depiction of the menorah created by the Rambam. In this class, we dig into the story of this image. Where did it come from? Can we trust its accuracy? When was it discovered? Did later artists and copyists treat it as just a doodle or somethin