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mathematician and librarian (1892–1972)

S. R. Ranganathan

1892–1972, born Sirkazhi, writes in English, Tamil, writer

Shiyali Ramamrita Ranganathan was an Indian librarian and mathematician. S. R. Ranganathan is widely known as the “Father of Library Science in 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. His birthday is observed every year as National Librarian Day in India.

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Facts from Wikidata as of 27 October 2026. Correct this entry.

Also writing in English