Abu Ja'far Muhammad ibn Ayyub-i Haseb-i Tabari ( fa, حاسب طبری) was a

Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...

astronomer. All of his works are in

Persian language Persian (), also known by its endonym Farsi (, ', ), is a Western Iranian language belonging to the Iranian branch of the Indo-Iranian subdivision of the Indo-European languages. Persian is a pluricentric language predominantly spoken a ...

and none of them are written in Arabic (though some of his works have Arabic titles). Not much is known about his life. His works are among the oldest scientific works in Persian language. He used many Persian equivalents for Arabic words. He was from Amol,

Tabaristan Tabaristan or Tabarestan ( fa, طبرستان, Ṭabarestān, or mzn, تبرستون, Tabarestun, ultimately from Middle Persian: , ''Tapur(i)stān''), was the name applied to a mountainous region located on the Caspian coast of northern Iran. ...

References

{{Astronomy in medieval Islam People from Amol 10th-century Iranian astronomers Astronomers of the medieval Islamic world 990 deaths