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Srinivasa Ramanujan

1887–1920 · Mathematician

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UK Legacy & Historical Footprint

Srinivasa Ramanujan was one of the most extraordinary mathematicians of the modern era. Largely self-taught in India, he came to England in 1914 to work with G. H. Hardy at Trinity College, Cambridge, and in a remarkably short period reshaped number theory, continued fractions, infinite series and the study of partitions. His British years were decisive: they brought him international recognition, election to the Royal Society and Trinity College, and the collaboration that made his genius visible to the wider mathematical world.

He arrived in London on 14 April 1914 and stayed briefly through the National Indian Association at 21 Cromwell Road before travelling to Cambridge with E. H. Neville. He first lived at the Nevilles' house on Chesterton Road, where the Hardy–Ramanujan collaboration began to take practical shape, then moved into Trinity College rooms at Whewell's Court and later Bishop's Hostel. In these rooms he carried out intensive research with Hardy and Littlewood and, in 1916, was awarded the BA by Research for his work on highly composite numbers.

From 1917 onward, serious illness led to a series of nursing-home and sanatorium stays in Cambridge, Derbyshire and London. He was treated at the Thompson's Lane nursing hostel in Cambridge and at Matlock House Sanatorium in Derbyshire — where Hardy's telegram brought news of his election to the Royal Society — before his final stay at Colinette House in Putney, the setting of Hardy's celebrated "1729" conversation.

Even amid wartime austerity, cultural isolation and illness, his British years were astonishingly productive. He was elected a Fellow of the Royal Society on 2 May 1918 and a Fellow of Trinity College in October 1918, before returning to India in 1919. His addresses in London and Cambridge are therefore important not merely as biographical details, but as part of a shared intellectual history linking India and the United Kingdom.

Chronological Timeline

  • 14 April 1914 — Arrives in London; stays briefly at the National Indian Association, 21 Cromwell Road.
  • April–June 1914 — Lives at 113 Chesterton Road with the Neville household in Cambridge.
  • 1914–1915 — Moves into Trinity College rooms at Whewell's Court; begins sustained research with Hardy.
  • 1915–1917 — Resides at Bishop's Hostel; awarded the BA by Research in 1916.
  • 1917 — Treated at the Thompson's Lane nursing hostel as serious illness sets in.
  • 2 May 1918 — Elected a Fellow of the Royal Society while at Matlock House Sanatorium.
  • October 1918 — Elected a Fellow of Trinity College.
  • 1918–1919 — Stays at Colinette House, Putney — the "1729" conversation — before returning to India in 1919.

Legacy

Ramanujan had no direct role in the Indian freedom movement; his contribution was intellectual, scientific and civilisational. In Britain he showed that a largely self-taught Indian mathematician could not merely survive within Cambridge but transform mathematics at the highest level, becoming one of India's earliest globally recognised scientific icons and challenging colonial assumptions about intellectual hierarchy.

His legacy is both mathematical and cultural. In India his birthday, 22 December, has been observed as National Mathematics Day since 2012. His work on partitions, q-series, modular relations and mock theta functions continues to generate major research — his mock theta functions were later understood as part of the theory of harmonic Maass forms, with applications to algebraic number theory, combinatorics, elliptic curves, mathematical physics, quantum modular forms and representation theory. His Cambridge years remain historically significant as the setting in which an Indian mathematical genius entered the centre of the global mathematical world and permanently altered it.

Quotes

"An equation means nothing to me unless it expresses a thought of God." — Srinivasa Ramanujan

"A mathematician of the highest quality, a man of altogether exceptional originality and power." — G. H. Hardy

Tracked SMRITI Locations

Whewell's Court, Trinity College

Whewell's Court, Trinity College, Trinity Street, Cambridge CB2 1TQ

1914–1915

His first college rooms, the setting for his first sustained period of research inside Trinity. Here he worked intensively with Hardy and Littlewood, preparing papers and developing results brought from India. The building survives as part of Trinity College.

Transport: Cambridge railway station

Bishop's Hostel, Trinity College

Bishop's Hostel, Trinity College, Trinity Street, Cambridge CB2 1TQ

1915–1917

His later Trinity rooms, occupied as his academic standing rose sharply. Here he was awarded the BA by Research in 1916 for his work on highly composite numbers and continued publishing influential papers. The building survives within the Trinity estate.

Transport: Cambridge railway station

113 Chesterton Road

113 Chesterton Road, Cambridge

April to early June 1914

His first home in Cambridge, in the household of E. H. Neville and Alice Neville, from which he entered Trinity's academic world. The Hardy–Ramanujan collaboration began to take practical shape here. The house is now recognised locally for its Ramanujan association.

Transport: Cambridge railway station

National Indian Association

21 Cromwell Road, South Kensington, London SW5 0SD

April 1914 (a few days)

His first known UK address, part of the institutional network created to receive Indian students in Britain, where he stayed briefly before travelling to Cambridge.

Transport: South Kensington (Circle, District and Piccadilly lines)

Matlock House Sanatorium

Rutland Street, Matlock, Derbyshire

c. November 1917 – mid 1918

Where he stayed for treatment during serious illness, and where Hardy's telegram informed him of his election to the Royal Society. The former sanatorium survives as Rutland Court.

Transport: Matlock railway station

Colinette House

2 Colinette Road, Putney, London SW15

c. November 1918 – March 1919

His final nursing-home residence before returning to India, and the site of Hardy's famous '1729' conversation. The building survives as a private residence.

Transport: East Putney (District line)

Independent commemorative plaque installed in 2017 by the Good Thinking Society and the British Society for the History of Mathematics.

References

  • Encyclopaedia Britannica — Srinivasa Ramanujan.
  • MacTutor History of Mathematics, University of St Andrews — Srinivasa Aiyangar Ramanujan.
  • Royal Society — 'Revisiting Ramanujan' and certificate of election (EC/1918/18).
  • Kanigel, Robert. The Man Who Knew Infinity: A Life of the Genius Ramanujan. London: Little, Brown, 1992.