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Judah ben David Hayyuj
Linguist
Judah ben David Hayyuj was a Maghrebi Jew of Al-Andalus born in North Africa. He was a linguist and is regarded as the father of the scientific grammar of the Hebrew.
Judah was born in Fez, then part of the Fatimid Caliphate, about 945. Wikipedia
Born: 945 AD, Fes, Morocco
Died: 1000 AD (age 55 years), Córdoba, Spain