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National Mathematics Day 2022: **Srinivasa Ramanujan** (born December 22, 1887, in Erode, India—died April 26, 1920, in Kumbakonam), was an Indian mathematician whose contributions to number theory include the pioneering discovery of partition function features.

He got a copy of George Shoobridge Carr’s Synopsis of Elementary Results in Pure and Applied Mathematics, 2 vol. (1880–86) when he was 15 years old.

This collection of thousands of theorems, many with very brief proofs and no material younger than 1860, piqued his interest.

Ramanujan expanded on the conclusions in Carr’s work, establishing his own theorems and concepts. He received a scholarship at the University of Madras in 1903, but he forfeited it the following year because he abandoned all other subjects in pursuit of mathematics. Here are five interesting things you should know about him.

**1. He is from a small Tamil Nadu town**

Srinivasa Ramanujan was born on December 22, 1887, in the home of his maternal grandmother in Erode.

For a long period, this house was untraceable. His father was a textile merchant’s clerk, while his mother was a housewife. She used to sing at a nearby temple as well.

**2. He was inspired by a book about Mathematics**

Ramanujan was primarily self-taught and grew up in abject poverty. He developed his passion for mathematics on his own and in complete isolation.

He borrowed a copy of Loney’s book on Plane Trigonometry from a friend when he was 12 years old, which was published by Cambridge University Press in 1894.

This publication, together with A Synopsis of Elementary Results in Pure and Applied Mathematics, added a new dimension to Ramanujan’s life and catapulted him into the realm of twentieth-century mathematics

**3. He was Married to a 9-Year-Old Girl**

Ramanujan married Janaki Ammal on March 21, 1899.

She was the fourth daughter of six children (five daughters and a son) of Rangaswamy Iyengar and Ranganayaki Ammal of Rajendram, a village close to Marudur Railway Station.

**4. He has almost little formal math training**

Srinivasa Ramanujan had no formal math instruction, but he is the guy behind all mathematical breakthroughs.

Some of his theorems are intuition-based. Ramanujan’s Formula was written by Hardy. “They must be true because no one would have had the ingenuity to conceive them if they were not true.”

**5. He is just the second Indian to be elected as a Fellow of the Royal Society**

Ramanujan is one of society’s youngest fellows in its history. He joined the fellowship at the age of 31 in 1918.

Within a few years, Hardy and Ramanujan cooperated on more than a half-dozen scholarly articles (from 1914 to 1917).

Ramanujan authored more than 30 academic articles in three years while finishing his fellowship.

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