Al-Battani, Muhammad ibn Jabir
Born on 858
Died on 929
Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī aṣ-Ṣābiʾ al-Battānī;
(Arabic: محمد بن جابر بن سنان البتاني) (Latinized as Albategnius, Albategni or Albatenius) (c. 858 – 929) was an Arab astronomer, astrologer, and mathematician. He introduced a number of trigonometric relations, and his Kitāb az-Zīj was frequently quoted by many medieval astronomers, including Copernicus.
Often called the “Ptolemy of the Arabs”, al-Battani is perhaps the greatest and best known astronomer of the medieval Islamic world.
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