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.
Abu Faris Abdallah Abu Faris Abdallah, nicknamed al-Wathik Billah (1564–1608) was a ruler of the Saadi dynasty. He was one of the three sons of Ahmad al-Mansur and reigned in different parts of the country (1603–1608), the South, Marrakesh and Fez. He especially fought his brother Zidan Abu Maali (r. 1603–1627).