Ahmad ibn 'Abdallah Habash Hasib Marwazi (766 - d. after 869 in Samarra, Iraq ) was a Persian astronomer, geographer, and mathematician from Merv in Khorasan who for the first time described the trigonometric ratios: sine, cosine, tangent and cotangent.
Marwazi or Al-Marwazi is the title of several Persian people who were born in the town of Merv, Greater Khorasan (now in Turkmenistan).
 "Marwazi" in Persian denotes a person that is from or have connection with city of Merv.
 People named al-Marwazi include:
Mustafa Hamza (born 1956) is an Egyptian commander of the military branch of the Islamic Group.
 He was sentenced to death in absentia by an Egyptian court in the Returnees from Afghanistan case.
 It is believed he took part in the 1981 assassination of Egyptian President Anwar El Sadat, the attempted assassination of President Hosni Mubarak in Addis Ababa in June 1995, and the Luxor massacre, which killed more than 60 tourists and Egyptians in 1997.
 He was in Iran until May 2004, when he was extradited to Egypt.
 He was pardoned in 2012.
 Also goes by the aliases Abu Hazem, Mohamed Gamal El-Sayed, Mohamed Gamal El-Sayed Ali Khalil.
Abdulrahman Mohamed El-Sayed (born October 31, 1984) is an American physician, epidemiologist, public health expert, and candidate for Governor of Michigan.
 He has announced his candidacy for Governor of Michigan, running as a Democrat.
 He served as the Executive Director of the Detroit Health Department and Health Officer for the City of Detroit from 2015-2017.
 Appointed at 30 years old, he was the youngest health commissioner in a major US City.
 Previously, he was Assistant Professor in the Department of Epidemiology at Columbia University.
 He is an internationally recognized public health expert, and the author of over 100 scholarly articles, abstracts, and book chapters on public health policy, social epidemiology, and health disparities.
 His essays on public health policy have also been published in "The New York Times", CNN, "The Hill", "The Huffington Post", "The Detroit News", and the "Detroit Free Press".
 On February 9, 2017, the Detroit News reported that El-Sayed will resign his position as health director to run for governor of Michigan in the 2018 Democratic Party primary.
Abu Ja'far ibn Habash was a Persian astronomer.
 He was most likely a son of Habash al-Hasib.
 Since his father died after 864 AD at the age of 100, it can be concluded that he was active in 3rd century AH (9th century AD).
 According to Ibn Nadim and Al-qifti, he wrote a book on astrolabe, named "al-ostorlab al-mosatah".
Refaat El-Sayed (born 11 February 1946 in Egypt) is a businessman of Egyptian and Swedish nationality, who made most of his career in Sweden.
 At the beginning of the 1980s, he took command of a small biotech company, Fermenta, which he quickly turned into one of the success stories of the Stockholm stock exchange.
 El-Sayed soon became Sweden's richest man, and made the fortune of his employees and shareholders.
 A charismatic leader, he was a favourite of the media, and in December 1985 he was named "Swede of the year" by the TV news program "Rapport".
 The following month, Fermenta announced a partnership with Swedish industrial giant Volvo.
 El-Sayed was at the peak of his fame.
Abdelrahman El-Sayed (Arabic: عبد الرحمن السيد‎ ‎ ; born May 19, 1989) is an Egyptian weightlifter.
 El-Sayed represented Egypt at the 2008 Summer Olympics in Beijing, where he competed for the men's heavyweight category (105 kg).
 El-Sayed placed fourteenth in this event, as he successfully lifted 175 kg in the single-motion snatch, and hoisted 210 kg in the two-part, shoulder-to-overhead clean and jerk, for a total of 385 kg.
 El-Sayed was later elevated to a higher position, when Ukraine's Ihor Razoronov had been disqualified from the Olympics, after he tested positive for nandrolone.
Aya El-Sayed (Arabic: آية السيد‎ ‎ ; born May 9, 1989) is an Egyptian épée fencer.
 El-Sayed represented Egypt at the 2008 Summer Olympics in Beijing, where she competed in the women's individual épée event.
 Unfortunately, she lost the preliminary round of thirty-two match to France's Hajnalka Kiraly Picot, with a score of 7–15.
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.
Dr. Ezzat Saad El-Sayed El Buraey (born 28 September 1950) is an Egyptian diplomat, served as ambassador of Egypt in Indonesia from 2000 to 2004, assistant Foreign Minister for Asian affairs from 2004 to 2006, ambassador to the Russian Federation, as well as non-resident ambassador to Belarus, Turkmenistan and Tajikistan from 2006 to 2010.
 He was also the assistant Foreign Minister for the Americas in 2010.
 El-Sayed was also the former governor of Luxor from August 2011 to June 2013.

Question: Who was born earlier, Habash al-Hasib al-Marwazi or Mostafa El-Sayed?
Answer: Ahmad ibn 'Abdallah Habash Hasib Marwazi