Category: Muslim Astronomers

Full Name: Abu Mahmud Hamid ibn al-Khidr al-Khujandi. Arabic: ابومحمود خجندی Origin: Khujand, now part of Tajikistan. Born: 940 AD. Died: 1,000AD. Famous for: Astronomer and Mathematician Contribution: Constructed the first huge mural sextant in 994 AD He determined the axial tilt to be 23°32’19” for the year 994 AD Articles https://en.wikipedia.org/wiki/Abu-Mahmud_Khujandi https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/abu-mahmud-hamid-ibn-al-khidr-al-khujandi https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/al-khujandi-ab

Full Name: Abolfadl Harawi Arabic: ابو الفضل هروى Born: 10th Century Died: 380-390 AD Origin: Ray, Persia now Iran/ Herat Afghanistan Famous for: Mathematics and Astronomy Contribution: He wrote “تصحيح مانالاوس” Manalaus by Heravi translating Greek mathematics and astronomy Articles https://en.wikipedia.org/wiki/Abolfadl_Harawi https://ar.wikipedia.org/wiki/%D8%A3%D8%A8%D9%88_%D8%A7%D9%84%D9%81%D8%B6%D9%84_%D8%A7%D9%84%D9%87%D8%B1%D9%88%D9%8A

Full Name: Abu al-Wafa Muhammad ibn Muhammad ibn Yahya ibn Ismail ibn al-Abbas al-Buzjani or Abu al-Wafa Buzhjani Arabic: ابو الوفا بوزجانی Born: 940 AD Origin: Buzjan, Iran Dies: 998 AD Famous for: Mathematician and Astronomer Contribution: Negative numbers in a medieval Islamic text Innovations in spherical trigonometry First to build wall quadrant to observe…

Full Name: Abu Jafar Muhammad ibn Husayn Khazin Arabic: ابوجعفر خازن خراسانی Born: 900 AD Origin: Khurasan, Iran Dies: 971 AD Famous for: Mathematician and Astronomer Contribution: Astronomical instruments, in particular an astrolabe fitted with plates inscribed with tables Articles https://en.wikipedia.org/wiki/Abu_Ja%27far_al-Khazin https://mathshistory.st-andrews.ac.uk/Biographies/Al-Khazin/ https://islamsci.mcgill.ca/RASI/BEA/Khazin_BEA.htm https://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/al-khazin-ab

Full Name: Abu Abd Allah Muhammad ibn Jabir ibn Sinan al-Raqqi al-Harrani as-Sabi al-Battani Arabic: محمد بن جابر بن سنان البتاني Latin: Albategnius, Albategni or Albatenius Born: 858 AD Origin: Haran Turkey / Raqqa, now in Syria Dies: 929 AD Famous for: Mathematician, Astronomer, and Astrologer Contribution: The first of a generation of new Islamic astronomers…

Full Name: Abul-Abbas al-Fadl ibn Hatim al-Nairizi Arabic: أبو العباس الفضل بن حاتم النيريزي Born: 865 AD Origin: Nayriz, now in Fars Province, Iran Dies: 922 AD Famous for: Mathematician and Astronomer Contribution: Gave a mathematical proof of the parallel postulate Exact method for the numerical determination of the Qibla Articles https://en.wikipedia.org/wiki/Al-Nayrizi https://mathshistory.st-andrews.ac.uk/Biographies/Al-Nayrizi/ https://dbpedia.org/page/Al-Nayrizi