Srinivasa Ramanujan's Milestones

Srinivasa Ramanujan was a self-taught Indian mathematician whose pioneering contributions to number theory and collaboration with G.H. Hardy left a lasting impact on mathematics.
1887

Birth

Srinivasa Ramanujan was born in Erode, India, to K. Srinivasa Iyengar and Komalatammal.

Family December 22, 1887
1889

Family moved to Kumbakonam

Moved with his mother to Kanchipuram and then back to Kumbakonam after surviving smallpox.

Location January 1, 1889
1891

Lost siblings in infancy

Three younger siblings died in infancy, leaving Ramanujan as the only surviving child.

Family January 1, 1891
1892

Enrolled at Kangayan Primary School

Enrolled at Kangayan Primary School in Kumbakonam.

Education October 1, 1892
1897

Passed primary exams with top scores

Passed primary exams with best scores in district; entered Town High School.

Achievement November 1, 1897
1898

Attended Town High School

Attended Town High School in Kumbakonam, excelling in mathematics and winning awards.

Education January 1, 1898 - March 1, 1904
1900

Discovered advanced mathematics

Began studying advanced trigonometry and discovered sophisticated theorems on his own by age 13.

Achievement January 1, 1900
1902

Studied Loney's Trigonometry

Mastered S.L. Loney's Trigonometry and developed own solutions for cubic and quartic equations.

Achievement January 1, 1902
1903

Discovered Carr's Synopsis

Studied G.S. Carr's 'A Synopsis of Elementary Results', inspiring his mathematical creativity.

Achievement January 1, 1903
1904

Explored Bernoulli numbers

Independently developed Bernoulli numbers and calculated Euler–Mascheroni constant to 15 decimals.

Achievement January 1, 1904

Scholarship to Government College

Received a scholarship to Government College, Kumbakonam, but lost it due to focusing solely on mathematics.

Education July 1, 1904 - March 1, 1906
1906

Attended Pachaiyappa's College

Attended Pachaiyappa's College, Madras; excelled in mathematics but failed other subjects and left without a degree.

Education July 1, 1906 - December 31, 1907
1907

Lived in poverty

Lived in poverty and continued independent mathematical research.

Other January 1, 1907 - January 1, 1910
1909

Married Janaki

Married Janakiammal, arranged by his mother.

Relationship July 14, 1909
1910

Met V. Ramaswamy Aiyer

Met V. Ramaswamy Aiyer, founder of Indian Mathematical Society, who helped Ramanujan gain recognition.

Relationship January 1, 1910

Supported by R. Ramachandra Rao

Received financial support from R. Ramachandra Rao to pursue mathematical research.

Relationship January 1, 1910
1911

First published paper

Published first paper on Bernoulli numbers in Journal of the Indian Mathematical Society.

Achievement January 1, 1911
1912

Temporary job at Madras Port Trust

Worked as clerk at Madras Port Trust while continuing research.

Career January 1, 1912
1913

Corresponded with G.H. Hardy

Began correspondence with British mathematician G.H. Hardy, who recognized his genius and invited him to Cambridge.

Relationship January 16, 1913

Awarded research scholarship

Received research scholarship from University of Madras.

Achievement March 1, 1913 - March 16, 1914
1914

Traveled to England

Traveled to England to collaborate with Hardy and Littlewood at Cambridge University.

Other March 17, 1914 - February 27, 1919
1916

Awarded BA by Research

Awarded Bachelor of Arts by Research from Cambridge for work on highly composite numbers.

Achievement March 1, 1916
1917

Elected to London Mathematical Society

Elected to the London Mathematical Society.

Achievement December 6, 1917
1918

Elected Fellow of the Royal Society

Elected Fellow of the Royal Society for work on elliptic functions and number theory.

Achievement May 2, 1918

Elected Fellow of Trinity College

Elected Fellow of Trinity College, Cambridge.

Achievement October 13, 1918
1919

Final mathematical work

Continued mathematical research and produced final results despite illness.

Achievement January 1, 1919 - January 1, 1920

Returned to India due to illness

Returned to India due to deteriorating health.

Other March 1, 1919
1920

Death

Died at age 32 in Kumbakonam, India, leaving a legacy of profound mathematical discoveries.

Other April 26, 1920