His tutor realised that his mathematical skills would make him a valuable person to undertake work on deciphering codes at Bletchley Park and, in January 1941, he started work there.
Kanyang tagapagturo realised na ang kanyang kakayahan sa matematika ay gumawa siya ng isang mahalagang tao upang magsagawa ng trabaho sa deciphering codes at Bletchley Park at, sa January 1941, nagsimula siyang magtrabaho doon.