December 22, 2020

Srinivasa Ramanujan: The Mathematical Genius

 G.H.Hardy and Ramanujan both were great mathematicians. They loved talking about numbers. One fine day Ramanujan's health was not good due to the weather in England and its food and he was admitted to hospital. So Hardy thought he should visit Ramanujan for asking about his health. So Hardy prearranged a taxi and headed to the hospital to meet him. But while traveling, Harrdy always had a habit of noting down the taxi's number whenever he traveled from the taxi.

Mathematician | Taxi cab number 1729
Srinivasa Ramanujan

Story of Hardy meeting Ramanujan in hospital

Hardy noted down the number of taxis in 1729. When he looked at the number he felt it was a very unimportant and ordinary number. He reached out to Ramanujan and asked him about his health. Then Hardy talked about the number(1729) with him. 'No Hardy' said Ramanujan. Ramanujan with his explanation about how unique is the number. 1729 is the world's first smallest number which can be expressed as a sum of two positive cubes (for example 12^3 + 1^3). 1729 is known as the second Taxicab number or 'Hardy-Ramanujan' number as it derives its name from a story starting from that taxi cab. This was a famous story about one of India's great mathematical geniuses Shrinivasa Ramanujan.

Greatest Mathematician

Born on 22 December 1887 in Erode, Madras Presidency, British India. He went to a local school named Kangayan Primary school in Madras. He was not able to speak until he was five. He did not like school in Madras and tried to avoid attending it. His family enlisted a local person to make sure he attended school. As time passed he created an interest in mathematics. In primary class, he came first in mathematics in the village. He took admitted to Town higher secondary school for his higher studies. 

At the age of 13, he completely mastered a book on advanced trigonometry. By that time, he had also discovered sophisticated theorems on his own. Solving college-level questions in primary school got to know his talent in mathematics. He got a Subramaniam scholarship due to mathematics but perhaps lost it due to scoring low in other subjects. He tried to score good marks in class 12th but failed in it too. This was the worst phase of Ramanujan's life. He had financial problems so he took classes for college students. As he did not have a college degree no one was able to give him a job. He got married to a girl named Janki in 1908.

How was the Bernoullis number invented?

He went to Madras and contacted deputy collector V Rama Swami Iyer, he was a great mathematician as well. At last, the deputy collector knew the potential in Ramanujan and decided to give Rupees 25 scholarships per month to Ramanujan. Staying in Madras for 1 year he published his first research named 'Properties of Bernoulli Number'.

From then his journey in mathematics started.
He worked as a clerk and he had no formal training in mathematics, however, he worked as a mathematician in his spare time. He sent much of his mathematical proof to Cambridge University but they ignored his work. As they were not going deep into the proof of theorems. 

How Ramanujan met G.H.Hardy?

But one Cambridge Mathematician G.H. Hardy recognized it and asked Ramanujan to visit Cambridge. They both became close friends and together they made much research in mathematics. In addition to this Cambridge, the university gave him the degree of B.A. In 1918 he was elected a Fellow of the Royal Society.

Getting a membership in the Royal Society at the time when India was a slave to the British was a big thing for any Indian. He also founded Infinity.

After some time Ramanujan had poor health conferring to the doctor it later came out to be causing T.B.(Tuberculosis) which had no treatment at that time. Due to the inadequate climate in England, he had to return to India but even then his health was not getting better.

Giving his entire life to Mathematics he lost his life on 26th April 1920 at the age of 32
Srinivasa Iyengar Ramanujan was one of India's greatest mathematical geniuses.

Magic sqare image

Remembering India's one of the greatest mathematical geniuses Srinivasa Ramanujan on his birth anniversary on 22 December.


Though life is long or short if you believe in yourself, dedicated to your work, then you will get success.

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