Custodes Futurifor the advancement of humanity

Pioneer 4 of 21 · 1887-1920

Srinivasa Ramanujan

Contribution. A self-taught mathematician whose work on number theory and infinite series is still studied.

Factor coverage

Favorable entries (helped or barrier absent) and adverse entries (barrier or not overcome) by factor. Factor tags are this site's classification.

Barriers faced

FactorsStatement
Economic Social EducationalPoverty, no contact with active mathematicians, and no degree.
EducationalParallel with Einstein. He neglected other subjects, lost his scholarship, and failed later exams.

What helped

FactorsStatement
EducationalOne book. At 16 he obtained G. S. Carr's Synopsis, about 5,000 theorems, and largely taught himself from it.
SocialLocal supporters, including Madras Port Trust chairman Francis Spring and mathematician Ramachandra Rao, who helped him get a clerkship.
PsychologicalPersistence. Earlier letters to British mathematicians were discouraged. In January 1913 he wrote to G. H. Hardy.
Social SocietalA sponsor. Hardy's approval raised his status at once. Madras made him a research scholar and Hardy brought him to Cambridge.

Not overcome

FactorsStatement
BiologicalIllness forced his return to India, and he died at 32.

Pattern summary

ElementIn this case
Door-openerSpring, Rao, Hardy
Knowledge sourceCarr's Synopsis
Institutional supportMadras, Cambridge
Built on recent workClassical mathematics
Setback overcomeFailed exams, poverty
Barrier not overcomeIllness, early death

Sources

  1. IMA: Ramanujan centenary
  2. U.S. Naval Academy: Srinivasa Ramanujan

Also relevant: Bell, A., Chetty, R., Jaravel, X., Petkova, N., & Van Reenen, J. (2019). Who becomes an inventor in America? Quarterly Journal of Economics, 134(2), 647-713. All references