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Srinivasa Ramanujam
Born	22 December 1887(1887-12-22) Erode, British India
Died	26 April 1920(1920-04-26) (aged 32) Chetput, (Madras), British India
Residence	Tamil Nadu, India
Nationality	Indian
Fields	Mathematics
Alma mater	Government Arts College Pachaiyappa's College
Academic advisors	G. H. Hardy J. E. Littlewood
Known for	Landau–Ramanujan constant Mock theta functions Ramanujan conjecture Ramanujan prime Ramanujan–Soldner constant Ramanujan theta function Ramanujan's sum Rogers–Ramanujan identities

Srinivasa Ramanujan (1887-1920) ahli matematika yang dapat mengingat susunan bilangan yang terdiri dari 10.000 bilangan bulat.

Muhammad ibn Mūsā al-Khwārizmī
A stamp issued September 6, 1983 in the Soviet Union, commemorating al-Khwārizmī's (approximate) 1200th birthday.
Born	c. 780
Died	c. 850
Ethnicity	Persian[1][2][3]
Known for	Contributions to mathematics; Founder of Algebra

al-khowarizmi (820 m) seorang ahli matematika dan astronom arab yang menulis tentang aljabar dengan judul al-jabra wa al-muqaballa.