Famous Iranian Astronomers

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 1 
Avicenna
(Persian polymath the most significant physiciansand writers of the Islamic Golden Age, and the father of early modern medicine.)
Avicenna
5
Birthdate: 0980 AD
Birthplace: Afshona, Uzbekistan
Died: May 31, 1037
Renowned as father of early modern medicine, Avicenna was an illustrious Persian polymath. He is specifically distingusihed for his contributions in the fields of medicine and Aristotelian philisophy. He is best-known for his works namely, The Canon of Medicine and The Book of Healing. The corpus of his writings also include alchemy, geology, psychology, geography, physics, poetry and Islamic theology.
Nasir al-Din al-Tusi
5
Birthdate: February 18, 1201
Sun Sign: Aquarius
Birthplace: Tous, Iran
Died: June 26, 1274

Persian polymath Nasir al-Din al-Tusi lost his jurist father in childhood and then went around as a scholar, learning subjects such as math and philosophy. He made invaluable contribution to astronomy and later served as a scientific advisor of the Mongols. One of his notable written works was Akhlaq-i Nasiri.

 3 
Ulugh Beg
(Ruler of the Timurid Empire from 1447 to 1449)
Ulugh Beg
3
Birthdate: March 22, 1394
Sun Sign: Aries
Birthplace: Soltanieh, Iran
Died: October 27, 1449

Ulugh Beg was the ruler of the Timurid Empire from 1447 to 1449. He is also remembered for his achievements as a mathematician and astronomer and is credited with building the legendary Ulugh Beg Observatory in Samarkand which was the largest in Central Asia. It was also regarded by scholars as one of the best observatories in the Islamic world. 

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 4 
Omar Khayyam
(Mathematician)
Omar Khayyam
19
Birthdate: May 18, 1048
Sun Sign: Taurus
Birthplace: Nishapur, Khorasan, Iran
Died: December 4, 1131

Omar Khayyam was a Persian polymath, mathematician, philosopher, astronomer, and poet. In the field of mathematics, he is best known for his work on the classification and solution of cubic equations. As an astronomer, he designed a solar calendar known as the Jalali calendar. His philosophical attitude towards life had elements of pessimism, nihilism, Epicureanism, and fatalism. 

 5 
Abd Al-Rahman Al Sufi
(Iranian Astronomer)
Abd Al-Rahman Al Sufi
4
Birthdate: December 7, 0903
Sun Sign: Sagittarius
Birthplace: Shahr-e-Rey, Iran
Died: May 25, 0986

Abd Al-Rahman Al Sufi was a Persian astronomer best remembered for his popular work The Book of Fixed Stars which he published in 964. The book was highly influential and is still extant in the form of various translations and manuscripts, the oldest being preserved at the Bodleian Library in the University of Oxford. 

 6 
Abu al-Wafa' Buzjani
(Iranian Mathematician and Astronomer Known for His Innovations in 'Spherical Trigonometry')
Abu al-Wafa' Buzjani
2
Birthdate: June 10, 0940
Sun Sign: Gemini
Birthplace: Buzhgan, Iran
Died: July 15, 0998

Abu al-Wafa' Buzjani was a Persian astronomer and mathematician best remembered for his significant contribution to spherical trigonometry. He is credited with using negative numbers, which were unheard of at that time, in one of his arithmetic works. Abu al-Wafa' Buzjani is also credited with introducing the secant and cosecant functions in trigonometry.

 7 
Baha' al-din al-'Amili
(Iranian Mathematician, Theologian, Philosopher and Astronomers)
Baha' al-din al-'Amili
3
Birthdate: February 18, 1547
Sun Sign: Aquarius
Birthplace: Baalbek, Lebanon
Died: September 1, 1621

Baha' al-din al-'Amili was an Arab Iranian Shia philosopher, Islamic scholar, architect, astronomer, mathematician, and poet who flourished in Safavid Iran during the late 16th and early 17th century. Baha' al-din al-'Amili was one of the first astronomers in the Islamic world to advocate the possibility of the Earth's movement before the outspread of the Copernican theory.

 8 
Abu Hanifa Dinawari
(Persian Polymath and Founder of Arabic Botany)
Abu Hanifa Dinawari
2
Birthdate: 0828 AD
Birthplace: Dinavar District, Iran
Died: 0896 AD

Abu Hanifa Dinawari was a Persian Islamic Golden Age astronomer, agriculturist, geographer, botanist, metallurgist, historian and mathematician. Thanks to his most famous work Book of Plants, Dinawari is regarded as the founder of Arabic botany.