Habash al-Hasib al-Marwazi
Habash al-Hasib al-Marwazi was a astronomer, geographer, and mathematician of 9th century
Full Name: Habash al-Hasib al-Marwazi
Arabic: حبش الحاسب المروزي
Born: 766 AD
Origin: Iran (Persia) Merv in Khorasan
Dies: 869 AD
Famous for: Astronomy
Contribution:
Al-Hasib conducted various observations at the Al-Shammisiyyah observatory in Baghdad and estimated a number of geographic and astronomical values.
Articles
https://en.wikipedia.org/wiki/Habash_al-Hasib_al-Marwazi
https://islamsci.mcgill.ca/RASI/BEA/Habash_al-Hasib_BEA.htm