S. R. Ranganathan

1892 - 1972

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Shiyali Ramamrita Ranganathan (S.R.R.) (listen 12 August 1892 – 27 September 1972) was a librarian and mathematician from India. His most notable contributions to the field were his five laws of library science and the development of the first major faceted classification system, the colon classification. He is considered to be the father of library science, documentation, and information science in India and is widely known throughout the rest of the world for his fundamental thinking in the field. Read more on Wikipedia

Since 2007, the English Wikipedia page of S. R. Ranganathan has received more than 499,951 page views. His biography is available in 31 different languages on Wikipedia (up from 28 in 2019). S. R. Ranganathan is the 206th most popular mathematician (up from 220th in 2019), the 130th most popular biography from India and the 5th most popular Indian Mathematician.

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Among mathematicians, S. R. Ranganathan ranks 206 out of 828Before him are Jan Łukasiewicz, Georg von Peuerbach, Joseph Petzval, Victor D'Hondt, Emil Artin, and Édouard Lucas. After him are Giovanni Ceva, Gilles de Roberval, Theodorus of Cyrene, Sam Loyd, Seymour Papert, and Ferdinand Georg Frobenius.

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Among people born in 1892, S. R. Ranganathan ranks 69Before him are Edith Södergran, Eiji Yoshikawa, Juan Negrín, Margaret Rutherford, Archduchess Elisabeth Franziska of Austria, and Andrés Nin Pérez. After him are Harry Stack Sullivan, Germaine Tailleferre, Thomas Mitchell, Marcel Dassault, Alfonsina Storni, and Kang Pan-sok. Among people deceased in 1972, S. R. Ranganathan ranks 41Before him are Karl Silberbauer, Louis Leakey, Said bin Taimur, Margaret Rutherford, Antonio Segni, and Hans Scharoun. After him are Ásgeir Ásgeirsson, Emil Maurice, Josep Samitier, Stephen Timoshenko, Harlow Shapley, and Jigme Dorji Wangchuck.

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In India

Among people born in India, S. R. Ranganathan ranks 130 out of 1,227Before him are Lata Mangeshkar (1929), Aamir Khan (1965), Bankim Chandra Chatterjee (1838), Sushruta (-620), Ajay Devgn (1969), and Ibrahim Lodi (1450). After him are James Brooke (1803), Shantideva (685), Mangal Pandey (1827), Mirza Ghulam Ahmad (1835), Pranab Mukherjee (1935), and Pratibha Patil (1934).


Among mathematicians born in India, S. R. Ranganathan ranks 5Before him are Srinivasa Ramanujan (1887), Brahmagupta (598), Bhāskara II (1114), and Augustus De Morgan (1806). After him are Madhava of Sangamagrama (1350), Jai Singh II (1688), Bhāskara I (600), Nilakantha Somayaji (1444), D. R. Kaprekar (1905), S. R. Srinivasa Varadhan (1940), and J. H. C. Whitehead (1904).