Who was born first, Ahmad Nahavandi or Muhammad Iqbal?
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.
Muhammad Raziuddin Siddiqui Muhammad Raziuddin Siddiqui, FPAS, NI, HI, SI, PhD (Urdu:, ] ; 8 January 1908 – 8 January 1998), also known as Dr. Razi, was a Pakistani theoretical physicist and a mathematician who played a role in Pakistan's education system and Pakistan's integrated nuclear deterrent development. An educationist and a scientist, Siddiqui had established educational research institutes and universities in his country.