Who was born earlier, Habash al-Hasib al-Marwazi or Mostafa El-Sayed?
Mostafa El-Sayed Mostafa A. El-Sayed (Arabic: مصطفى السيد) (born 8 May 1933) is an Egyptian chemical physicist, a leading nanoscience researcher, a member of the National Academy of Sciences and a US National Medal of Science laureate. He is also known for the spectroscopy rule named after him, the "El-Sayed" rule.
Muhammad Saeed al-Hakim Grand Ayatollah Sayyid Muhammad Sa'id al-Tabataba'i al-Hakim (born 1 February 1934 in Najaf, Iraq) is an Iraqi Twelver Shi'a marja, one of the four members of the Hawza of Najaf and one of the most senior Shia clerics in Iraq after Ayatollah Ali al-Sistani.