Ahmad Nahavandi
Encyclopedia
Ahmad ibn Muhammad al-Nahavandi was a Persian astronomer
of the 8th and 9th centuries. His name indicates that he was from Nahavand
, a city in Iran
.
He lived and worked at the Academy of Gundishapur
, in Khuzestan, Iran
, at the time of Yahya ibn Khalid ibn Barmak, who died in 803AD, where he is reported to have been making astronomical observations around the year 800AD. He and Mashallah ibn Athari were among the earliest Islamic era astronomers who flourished during the reign of al-Mansur
, the second Abbasid
Caliph.
He also compiled tables called the comprehensive (Mushtamil).
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
of the 8th and 9th centuries. His name indicates that he was from Nahavand
Nahavand
Nahavand is a city in and capital of Nahavand County, Hamadan Province, Iran. At the 2006 census, its population was 72,218, in 19,419 families. It is located south of Hamadan, east of Malayer and northwest of Borujerd...
, a city in Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...
.
He lived and worked at the Academy of Gundishapur
Academy of Gundishapur
The Academy of Gondishapur , also Jondishapur , was a renowned academy of learning in the city of Gundeshapur during late antiquity, the intellectual center of the Sassanid empire. It offered training in medicine, philosophy, theology and science. The faculty were versed in the Zoroastrian and...
, in Khuzestan, Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...
, at the time of Yahya ibn Khalid ibn Barmak, who died in 803AD, where he is reported to have been making astronomical observations around the year 800AD. He and Mashallah ibn Athari were among the earliest Islamic era astronomers who flourished during the reign of al-Mansur
Al-Mansur
Al-Mansur, Almanzor or Abu Ja'far Abdallah ibn Muhammad al-Mansur was the second Abbasid Caliph from 136 AH to 158 AH .-Biography:...
, the second Abbasid
Abbasid
The Abbasid Caliphate or, more simply, the Abbasids , was the third of the Islamic caliphates. It was ruled by the Abbasid dynasty of caliphs, who built their capital in Baghdad after overthrowing the Umayyad caliphate from all but the al-Andalus region....
Caliph.
He also compiled tables called the comprehensive (Mushtamil).