Shah Tahir, known as Tahir Shah, and known in his lifetime by his followers as Hujjatullah was a Nizari Ismaili Imam from the Muhammad-Shahi line and an astronomer and philosopher who served as a minister of the Nizam Shahi dynasty in South India.
10 Facts About Shah Tahir
Imam Shah Tahir was born in Khund, a village in Gilan near the border with Qazvin, that has since been abandoned.
Shah Tahir was the son of Imam Shah Radi ad-Din II, a descendant of the Nizaris of Alamut who claimed descent from the Fatimids of Egypt and a Nizari Ismaili Imam.
Shah Tahir was a student of the great 16th century astronomer, Shams al-Din al-Khafri.
Imam Shah Tahir arrived in Goa in mid-1520, but was ignored by the Adil Shahi monarch.
Shah Tahir left Bijapur and moved to Parenda, where he started teaching almagest, a treatise by Ptolemy on astronomy.
In 1522 AD, on request of Sultan Burhan Nizam Shah Tahir, he joined the court of Ahmadnagar.
Shah Tahir acted as chief diplomat, and would deliver lectures twice a week in the fort.
Shah Tahir died in 1549 AD and his body was sent to Karbala to be buried near the tomb of Husayn ibn Ali.
Shah Tahir had four sons and three daughters, among whom Imam Shah Haydar succeeded him as Imam and a minister in the court.