Can YOU solve Kryptos K4? Code has left the CIA baffled for 35 years - only one man knows the answer

Stood outside the CIA's office in Langley, Virginia, the sculpture known as Kryptos hides a code that has eluded the agency's ...
Peterborough Telegraph on MSN

Mastermind, code breaker and maverick - the inspiring story of Alan Turing

It’s a portrait of somebody we associate with having done one main thing – breaking the Enigma code – but it d ...