Turטור
Toledo (Castile) · 1335
טו
Yaakov ben Asher
Yaakov ben Asher
Also known as The Ba'al HaTurim
1269 CE–1343 CE · Rishonim · Cologne
Yaakov ben Asher, known as the Ba'al HaTurim ('Master of the Rows'), was a leading medieval Ashkenazi halakhic authority and biblical exegete who flourished in the 13th–14th centuries. Son of the Rosh (Rabbi Asher ben Yechiel), he inherited his father's legal brilliance and expanded upon it with systematic creativity. Working in Toledo, Yaakov synthesized Talmudic reasoning with the accumulated rulings of Spanish and Franco-German authorities into his monumental work, the Tur—a structured code organized by subject matter that became the foundational template for later Jewish law. His biblical commentary, also called Tur, displays mystical sensitivity and numerical exegesis alongside plain sense interpretation. His work became canonical for all subsequent generations of halakhists and remains studied in yeshivot worldwide.
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Stop 1 of 21269–1303Born
CologneקלןRhineland (Germany)
What they did here
Born in Cologne around 1269, a son of the Rosh (Rabbeinu Asher ben Yechiel).
About Cologne
Cologne (Köln), a city on the Rhine in western Germany, had one of the oldest Jewish communities in the German lands, attested in Roman times and again from the early medieval period. It was the birthplace, around 1269, of Rabbi Jacob ben Asher (the Baal HaTurim), author of the Arba'ah Turim, who later emigrated with his father, the Rosh (Asher ben Yechiel), to Toledo in Spain.
Across the traditions, in Cologne at the same time
In the same place & time
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Sages whose lives overlapped with Yaakov ben Asher’s in the same cities, drawn from their recorded journeys.
Across the traditions
In the same tradition
The world in their lifetime
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Thinkers and teachers of other traditions whose lives overlapped with Yaakov ben Asher’s — a glimpse of the wider world they lived in. Drawn purely from recorded birth and death years.