Scholars A-Z

Born on 718
Al-Khalil ibn Ahmad al-Farahidi was a writer and philologist from southern Arabia (modern day Oman) who compiled the first dictionary of the Arabic language, the Kitab al-Ayn.
Born on 1160 Died on 1233
Abu al-Hassan Ali ibn Muhammad ibn Muhammad was an Arab or Kurdish historian and biographer who wrote in Arabic and he was from the Ibn Athir family. According to the 1911 Edition of Encyclopædia Britannica, he was born in Jazirat Ibn Umar, Great Seljuq Empire.
'Ali ibn 'Isa was a notable oculist (kahhal) of Baghdad whose life falls in the first half of the 11th century. His main work is Tadkirat Al-kahhalin (Manual for Oculists or Note-book of the Oculists). It is the classical handbook of Muslim ophthalmology, translated once into Hebrew and twice into L...
He was an Astronomer. Together with khalid Ben Abdulmelik in 827, he measured the Earth's circumference, getting a result of 40,248 km (or, according to other sources, 41,436 km).

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