Which of the following is known for his piety and memorized the Qur'an by the age of 7: Ahmad Nahavandi or Shah Waliullah Dehlawi?
Ahmad Nahavandi Ahmad ibn Muhammad al-Nahawandi was a Persian astronomer of the 8th and 9th centuries. His name indicates that he was from Nahavand, a city in Iran.
Ahmad Shah I Wali Ahmed Shah Al Wali Bahamani ruled the Kingdom of Bidar from 1 October 1422 to 17 April 1436 and was a great patron of arts and culture. He brought artisans from Iran, including the metal-worker Abdulla-bin-Kaiser, who was the master of Bidriware, the inlaying of zinc alloy with silver and gold.