Al-Biruni

Abu Rayhan al-Biruni (973–1048 CE) was one of the greatest polymaths of the Islamic Golden Age. His Kitab al-Hind remains the most systematic medieval study of India, while his astronomical, geodetic, and chronological work marked him as a scientist of the first rank.

Sultan Mahmud of Ghazni (971–1030 CE) was the most powerful Ghaznavid ruler, leading seventeen campaigns into the Indian subcontinent while making Ghazni a major center of Persian culture and Islamic learning. A patron of al-Biruni and Ferdowsi, his legacy joins conquest and culture.