S. R. Ranganathan

Indian mathematician and librarian (1892–1972)
Person human Q457933
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Summary

S. R. Ranganathan was born on August 9, 1892[1], in Sirkazhi[2]. He died on September 27, 1972[3], in Bengaluru[4]. He worked as a mathematician[5], librarian[6], writer[7], university teacher[8], and library scientist[9]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (1,910 views/month, #7,186 of 1,000,298).[10]

Key Facts

  • Date of birth: August 12, 1892[11]
  • Child: Ranganathan Yogeshwar[12]
  • Country of citizenship: British Raj[13], Dominion of India[14], India[15]
  • Field of work: library science[16], mathematics[17]
  • Employer: University of Delhi[18], University of Madras[19], Banaras Hindu University[20]
  • Educated at: University of Madras[21], Hindu High School, Matanhail[22]
  • Notable work: Five laws of library science[23], classification scheme[24], Indexing Theory, Indexing Methods and Search Devices[25]
  • Award received: Library Hall of Fame[26], Padma Shri in literature and education[27], Margaret Mann Citation[28]
  • Sex or gender: male[29]
  • Commons category: S. R. Ranganathan[30]
  • Chairperson: Indian Library Association[31]
  • Organizer: Documentation Research and Training Centre[32]
  • Family name: Ranganathan[33]
  • Relative: Ranga Yogeshwar[34]
  • Student of: Edward Ross[35]
  • Described by source: 100 of the Most Important Leaders We Had in the 20th Century[36], A Dictionary of Eminent Librarians[37], Pioneers in Librarianship: Sixty Notable Leaders Who Shaped the Field[38]
  • Languages spoken, written or signed: English[39], Tamil[40]
  • Birth name: சீர்காழி இராமாமிருதம் அரங்கநாதன்[41]
  • Name in native language: சீர்காழி இராமாமிருதம் அரங்கநாதன்[42]

Body

Works and Contributions

Things named for S. R. Ranganathan include Five laws of library science[43], a theory[44], founded in 1931[45].

Why It Matters

S. R. Ranganathan has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[46] He is known by 35 alternative names across languages and contexts.[47]

He is credited with the discovery of Five laws of library science[48], a theory[49], founded in 1931[50]. Entities named for him include Five laws of library science[43], a theory[44], founded in 1931[45].

FAQs

Where was S. R. Ranganathan born?

S. R. Ranganathan's place of birth was Sirkazhi[2].

Where did S. R. Ranganathan die?

S. R. Ranganathan died in Bengaluru[4].

What did S. R. Ranganathan do for work?

S. R. Ranganathan worked as a mathematician[5], librarian[6], writer[7], university teacher[8], and library scientist[9].

Where did S. R. Ranganathan go to school?

S. R. Ranganathan was educated at University of Madras[21] and Hindu High School, Matanhail[22].

What awards did S. R. Ranganathan receive?

Honors received include Library Hall of Fame[26], Padma Shri in literature and education[27], and Margaret Mann Citation[28].

What did S. R. Ranganathan discover?

S. R. Ranganathan is credited as discoverer of Five laws of library science[48].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Brockhaus Enzyklopädie. Retrieved . wikidata.org.
  2. [4] ↑ . Brockhaus Enzyklopädie. Retrieved . wikidata.org.
  3. [29] ↑ . BnF authorities. Retrieved . wikidata.org.
  4. [13] ↑ . wikidata.org.
  5. [14] ↑ . wikidata.org.
  6. [15] ↑ . wikidata.org.
  7. [12] ↑ . wikidata.org.
  8. [21] ↑ . wikidata.org.
  9. [22] ↑ . wikidata.org.
  10. [16] ↑ . wikidata.org.
  11. [17] ↑ . wikidata.org.
  12. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  13. [6] ↑ . Pioneers in Librarianship: Sixty Notable Leaders Who Shaped the Field. wikidata.org.
  14. [7] ↑ . Retrieved . wikidata.org.
  15. [8] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  16. [9] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [26] ↑ . wikidata.org.
  21. [27] ↑ . wikidata.org.
  22. [28] ↑ . ala.org. Retrieved . ala.org. Provenance: wikidata.org.
  23. [30] ↑ . wikidata.org.
  24. [31] ↑ . librarianshipstudies.com. librarianshipstudies.com. Provenance: wikidata.org.
  25. [1] ↑ . Encyclopædia Britannica Online. Retrieved . librarianshipstudies.com. Provenance: wikidata.org.
  26. [11] ↑ . BnF authorities. Retrieved . wikidata.org.
  27. [3] ↑ . Integrated Authority File. Retrieved . librarianshipstudies.com. Provenance: wikidata.org.
  28. [32] ↑ . Encyclopædia Britannica Online. britannica.com. Provenance: wikidata.org.
  29. [33] ↑ . wikidata.org.
  30. [23] ↑ . wikidata.org.
  31. [24] ↑ . wikidata.org.
  32. [25] ↑ . Encyclopædia Britannica Online. britannica.com. Provenance: wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  35. [36] ↑ . wikidata.org.
  36. [37] ↑ . wikidata.org.
  37. [38] ↑ . wikidata.org.
  38. [39] ↑ . BnF authorities. Retrieved . wikidata.org.
  39. [40] ↑ . wikidata.org.
  40. [41] ↑ . wikidata.org.
  41. [42] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [48] ↑ . wikidata.org. → on this site
  2. [43] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [49] ↑ . Wikidata. wikidata.org. → on this site
  2. [50] ↑ . Wikidata. wikidata.org. → on this site
  3. [44] ↑ . Wikidata. wikidata.org. → on this site
  4. [45] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [10] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [46] ↑ . Wikidata sitelinks. wikidata.org.
  3. [47] ↑ . Wikidata aliases. wikidata.org.

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 11d ago · Mr.FarFar · 2026-10-05 view diff on Wikidata ↗
    Wikipedia languages → ['arz', 'azb', 'bn', 'ca', 'commons', 'cs', 'de', 'en', 'eo', 'es', 'et', 'fa',
    Claims rich → —
    "/* wbsetclaim-update:2||1|3 */ Vatican library vcba id: 495/56151, Added or updated using [[User:Bargioni/P8034_add_or_update_P1810|P8034_add_or_update_P1810]]"
  2. 13w ago · Epìdosis · 2026-07-11 view diff on Wikidata ↗
    P14611 → 223275
    "/* wbcreateclaim-create:1| */ P14611: 223275, [[:toollabs:quickstatements/#/batch/260429|batch #260429]]"
  3. 16w ago · Yirba · 2026-06-19 view diff on Wikidata ↗
    P14541 → FkpyJ
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37385|batch #37385]]: Encyclopedia of China (Third Edition) ID (2026) (P14541)"
  4. 21w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    Occupation → mathematician, librarian, writer +2
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32086|batch #32086]]: import P21 and P106 from GND (28)"
  5. 23w ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Image needs reharvest → —
    Image purged license → —
    Image purged at → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30468|batch #30468]]: add P1810 to P5739 2/3"
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