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C.P.Snow,
in his foreword to G.H.Hardy's "A Mathematicians Apology" (Cambridge
University Press, 1967, 1992 edition) has recorded vividly Hardy's reaction
to, besides the letter, nine well-written pages with formulas and perhaps
a copy of Ramanujan's first few papers in the journal of the Indian Mathematical
Society. Mail arrives in the morning at Breakfast time in England. Accustomed
to receiving occasionally bizarre letters from strangers, Hardy's first
reaction was "not only bored, but irritated" by the large number
of mathematical theorems stated without proof. So, he went through the
activities of the day till lunch time, played his game of tennis, but
at the back of his mind he was wondering about the intriguing results
he saw in Ramanujan's letter. He sent word by a messenger to John Edonsor
Littlewood, eight years younger than Hardy, but Hardy considered Littlewood
a better mathematician than himself. They met after Dinner, at about 9
pm, perhaps in Littlewood's rooms and scrutinized the mathematical formulas
of Ramanujan. Before midnight, Hardy and Littlewood concluded that the
writer of the letter was not a fraud but a genius. Hardy later wrote:
"A single look at them is enough to show that they could only be
written down by a mathematician of the highest class. They must be true
because, if they were not true, no one would have had the imagination
to invent them. Finally (you must remember that I knew nothing whatever
about Ramanujan, and had to think of every possibility), the writer must
be completely honest, because great mathematicians are commoner than thieves
or humbugs of such incredible skill" (from "Ramanujan: twelve
lectures on subjects suggested by his life and work", G.H.Hardy,
Chelsea Pub. Co., N.Y. - Originally published by Cambridge University
Press - 1940, p.9)
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