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.
Seyyed Abdollah Behbahani Seyyed Abdollah Behbahani (Persian: سیدعبدالله بهبهانی‎ ‎ , 1840–1910) was a Shi'a theologian and a prominent leader of the constitutional movement. He was born in Najaf and was educated by scholars such as Morteza Ansari.