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*Posted on Dec 22, 02:03PM | IBNS*

**Popular search engine Google on Saturday celebrated noted Indian mathematician Srinivasa Ramanujan's 125th birthday with a doodle.**

In its latest doodle, the letters of the word 'Google' has been written in the form of mathematical forms and theorems. A small boy is writing them on the ground with a stick while other children are seeing him do it.

Born on December 22nd 1887 in Erode,Tamil Nadu, Ramanujan was an Indian mathematician and autodidact who, with almost no formal training in pure mathematics, made extraordinary contributions to mathematical analysis, number theory, infinite series, andcontinued fractions.

Living in India with no access to the larger mathematical community, which was centered in Europe at the time, Ramanujan developed his own mathematical research in isolation.

As a result, he sometimes rediscovered known theorems in addition to producing new work. Ramanujan was said to be a natural genius by the English mathematician G.H. Hardy, in the same league as mathematicians like Euler and Gauss.

Born in a poor Brahmin family, Ramanujan's introduction to formal mathematics began at age 10.

He demonstrated a natural ability, and was given books on advanced trigonometry written by S. L. Loney that he mastered by the age of 12. He even discovered theorems of his own, and re-discovered Euler's identity independently.

He demonstrated unusual mathematical skills at school, winning accolades and awards.

By 17, Ramanujan had conducted his own mathematical research on Bernoulli numbers and the Euler-Mascheroni constant.

Ramanujan received a scholarship to study at Government College in Kumbakonam, but lost it when he failed his non-mathematical coursework.

He joined another college to pursue independent mathematical research, working as a clerk in the Accountant-General's office at the Madras Port Trust Office to support himself.

In 1912-1913, he sent samples of his theorems to three academics at the University of Cambridge. G. H. Hardy, recognizing the brilliance of his work, invited Ramanujan to visit and work with him at Cambridge.

He became a Fellow of the Royal Society and a Fellow of Trinity College, Cambridge.

Ramanujan died of illness, malnutrition, and possibly liver infection at the age of 32 in 1920.

From Charlie Chaplin to Marie Curie, Google doodles have not only celebrated the birth anniversaries of great personalities, they have also made internet users know about important dates through the designs and animation.

In its last doodle, Google on Thursday created an interactive doodle to celebrate the 200th anniversary of the publication of Grimm's Fairy Tales where netizens could see the popular tale of 'Little Red Riding Hood' depicted in 22 illustrious frames.