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.
Ahmed Ali Lahori Maulana Ahmed Ali Lahori (1887 – 23 February 1962) (Urdu: ‎ ) (Short Name:Ahmed Ali) was a Muslim scholar, Mufassir (Urdu Quran Interpreter) in South Asia. He was one of the great scholars in the history of Deobandi movement. "Maulana Ahmed Ali Lahori was among those true Ulama whose every moment was subservient to the pleasure the Almighty Allah."