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.
Mirza Ahmad Ashtiani Mirza Ahmad Ashtiani was born in Tehran. He was the fourth and youngest son of Mirza Hassan Ashtiani, a prominent jurist under the reign Mozaffar ad-Din Shah Qajar and Naser al-Din Shah Qajar. He became a jurist and a Shi'a Imam,