On the last Tuesday of January 1913, on a clear, cold winter’s morning in Cambridge University in England, a 35 year old mathematician of rapidly growing fame and esteem opened a letter. The letter, thick and unwieldy, bore the grime and wear-and-tear of a long journey, and a ragged line of stamps, unfamiliar and exotic. It started with the words, “Dear Sir, I beg to introduce myself to you as a clerk in the Accounts Department of the Port Trust Office at Madras on a salary of only £20 per annum............” More