Kushyar Gilani کوشیار دیلمی

Full Name: Abul-Hasan Kūshyār ibn Labbān ibn Bashahri Daylami.

Arabic: کوشیار دیلمی

Other Name: Kūshyār Daylami.

Origin: Daylam, Iran.

Born: 971 AD.

Died: 1,029 AD.

Famous for: Astronomer, Mathematician and Geographer

Contribution:

Improved values of the planetary apogees

Articles

https://en.wikipedia.org/wiki/Kushyar_Gilani

https://ui.adsabs.harvard.edu/abs/2019ASPC..520..185B/abstract

https://en-academic.com/dic.nsf/enwiki/860481