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S. R. Ranganathan

1892 - 1972

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Shiyali Ramamrita Ranganathan (listen 9 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 591,542 page views. His biography is available in 31 different languages on Wikipedia. S. R. Ranganathan is the 207th most popular mathematician (down from 206th in 2019), the 153rd most popular biography from India (down from 130th in 2019) and the 5th most popular Indian Mathematician.

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Among mathematicians, S. R. Ranganathan ranks 207 out of 823Before him are Lars Ahlfors, Alonzo Church, Paolo Ruffini, Autolycus of Pitane, Theodorus of Cyrene, and Willem de Sitter. After him are Élie Cartan, Henry Briggs, Xu Guangqi, Hermann Schwarz, John Horton Conway, and Tullio Levi-Civita.

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Among people born in 1892, S. R. Ranganathan ranks 65Before him are Juan Negrín, Edith Södergran, Karl Wilhelm Reinmuth, Tamon Yamaguchi, Harry Stack Sullivan, and Tazio Nuvolari. After him are Marcel Dassault, Rafael Moreno Aranzadi, Alfonsina Storni, Andrés Nin Pérez, J. B. S. Haldane, and Arnold Hauser. Among people deceased in 1972, S. R. Ranganathan ranks 42Before him are Natalie Clifford Barney, Fredric Brown, Lale Andersen, Bronislava Nijinska, Ásgeir Ásgeirsson, and Louis Leakey. After him are Said bin Taimur, Hans Scharoun, Antonio Segni, Hugo Steinhaus, Mahalia Jackson, and Henry de Montherlant.

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In India

Among people born in India, S. R. Ranganathan ranks 153 out of 1,493Before him are V. V. Giri (1894), Green Boots (null), Ahmad Sirhindi (1564), B. K. S. Iyengar (1918), Mahadevi Varma (1907), and Mariam-uz-Zamani (1542). After him are Ravi Shankar (1956), Lala Lajpat Rai (1865), Dhyan Chand (1905), Nizam-ul-Mulk, Asaf Jah I (1671), Jayadeva (1170), and Sambhaji (1657).


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), Bhāskara I (600), Jai Singh II (1688), Nilakantha Somayaji (1444), Sulochana Gadgil (1944), D. R. Kaprekar (1905), and S. R. Srinivasa Varadhan (1940).