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Science

Srinivasa Ramanujan

A self-taught clerk in Madras; a nine-page letter of theorems brought him to Cambridge.

Born
1887 · Erode, Tamil Nadu, India
Roots
Tamil Brahmin
Family
Working class
His father clerked in a sari shop; the family took in lodgers to make ends meet.
Education
Self-taught from borrowed books; failed out of college twice for ignoring every subject but mathematics
Started with
A borrowed book
Carr's Synopsis, lent to him at 16, became his entire mathematical education; a clerkship later left time for the notebooks.
Affiliations & societies
Royal SocietyDocumented
Elected a fellow in 1918, among the youngest ever at the time.
Information only — claims like these are often unverifiable and may be wrong.

The pathway

  1. 1903 · age 16
    A borrowed book

    Carr's Synopsis of thousands of theorems becomes his self-education; he works through and extends it alone.

  2. 1912 · age 24
    Port Trust clerk

    Patrons impressed by his notebooks find him an office job that leaves time for mathematics.

  3. 1913 · age 25
    The letter to Hardy

    Nine pages of theorems; Hardy concludes they "must be true, because, if they were not true, no one would have the imagination to invent them."

  4. 1914 · age 26
    Cambridge

    Works with Hardy through the war years.

  5. 1918 · age 30
    Fellow of the Royal Society
  6. 1920 · age 32
    Dies in Madras

    Returns home ill; a "lost notebook" of final results surfaces in 1976.

Sources

Compiled from these references and contemporaneous press reporting. Figures are approximate; verify before relying on them.