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Tuesday, June 6, 2017

भारत के इतिहास में सबसे महान गणितज्ञ | Most Intelligent Mathematician in History of INDIA

भारत के इतिहास में सबसे महान गणितज्ञ | Most Intelligent Mathematician in History of INDIA

Shakuntala Devi was an Indian writer and mental calculator, popularly known as the "human computer".
A child prodigy, her talent earned her a place in the 1982 edition of The Guinness Book of World Records.
Devi travelled the world demonstrating her arithmetic talents, including a tour of Europe in 1950 and a performance in New York City in 1976.
In 1988, she travelled to the US to have her abilities studied by Arthur Jensen, a professor of psychology at the University of California, Berkeley.
Jensen tested her performance of several tasks, including the calculation of large numbers.
Examples of the problems presented to Devi included calculating the cube root of 61,629,875 and the seventh root of 170,859,375.
Jensen reported that Devi provided the solution to the above mentioned problems (395 and 15, respectively) before Jensen could copy them down in his notebook.
jensen published his findings in the academic journal Intelligence in 1990.
In 1977, at Southern Methodist University, she gave the 23rd root of a 201-digit number in 50 seconds.
Her answer—546,372,891—was confirmed by calculations done at the US Bureau of Standards by the UNIVAC 1101 computer, 
for which a special program had to be written to perform such a large calculation.
On 18 June 1980, she demonstrated the multiplication of two 13-digit numbers—7,686,369,774,870 × 2,465,099,745,779—picked at
random by the Computer Department of Imperial College London. She correctly answered 18,947,668,177,995,426,462,773,730 in 28 seconds.
This event was recorded in the 1982 Guinness Book of Records.Writer Steven Smith said, "the result is so far superior to anything previously
reported that it can only be described as unbelievable.

Srinivasa ramanujan was an Indian mathematician and autodidact who lived during the British Raj.
Though he had almost no formal training in pure mathematics, he made substantial contributions to mathematical analysis,
number theory, infinite series, and continued fractions. Ramanujan initially developed his own mathematical research in isolation;
it was quickly recognized by Indian mathematicians. When his skills became obvious and known to the wider mathematical community, centred in Europe at the time, he began a partnership with the English mathematician G. H. Hardy. The Cambridge professor realized that Srinivasa Ramanujan had produced new theorems in addition to rediscovering previously known ones.
During his short life, Ramanujan independently compiled nearly 3,900 results (mostly identities and equations).
Nearly all his claims have now been proven correct.His original and highly unconventional results, such as the Ramanujan prime 
and the Ramanujan theta function, have inspired a vast amount of further research.The Ramanujan Journal, a peer-reviewed scientific journal, was established to publish work in all areas of mathematics influenced by Ramanujan.

Vashishta Narayan Singh was born on 2 April 1942 in Basantpur village of Bhojpur district in Bihar, India to Lal Bahadur Singh and Lahaso Devi. He received his primary and secondary education from Netarhat Residential School and college education from Patna Science College. Vashishtha Narayan Singh became a legend as a student when he was allowed by Patna University to appear in the two-year course of B.Sc. (Hons.) in Mathematics in its very first year. His achievements are still mentioned with a sense of pride by Netarhat Vidyalaya He received Ph.D. in Reproducing Kernels and Operators with a Cyclic Vector from University of California, Berkeley, in 1969.His doctoral advisor was John L. Kelley.He has suffered from schizophrenia. After a few years of marriage he and his wife separated due to his illness. He currently stays in his village without any attention from government.

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