1250 CE–1298 CE · Rishonim · Nuremberg
Mordechai ben Hillel HaKohen (c. 1250–1298) was a German-Jewish halachic authority of the late 13th century, active in the Rhineland. A student of Meir of Rothenburg, one of the greatest tosafists, Mordechai synthesized the vast interpretive tradition of Ashkenazi Torah scholarship into a comprehensive compendium arranged by tractate. His work, known as *Sefer HaMordechai* or simply *The Mordechai*, became a foundational reference for halachic decision-making across Ashkenazi and Sephardic communities for centuries. Though he lived during a period of terrible persecution and expulsion in medieval Europe, Mordechai's scholarship preserved and organized the accumulated wisdom of generations, earning him enduring respect as a master of legal reasoning and practical halakha.
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Lived in Nuremberg; died in the Rintfleisch massacre (1298). Authored the Mordechai.
Nuremberg, a city in Franconia (Bavaria), southern Germany, had an important medieval Jewish community. Rabbi Mordechai ben Hillel HaKohen, author of the halachic work known as the Mordechai, was killed in Nuremberg during the Rintfleisch massacre of 1298; later the city was associated with the fifteenth-century authority Rabbi Yaakov Weil (the Mahari Weil).
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Thinkers and teachers of other traditions whose lives overlapped with Rabbeinu Mordechai’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.
Nuremberg · 1290
Comprehensive compilation of halachic rulings and novellae on the Talmud, organized by tractate; one of the most influential medieval halachic works, heavily cited in later codes.
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