Tributes have been paid to a female code breaker who helped Alan Turing reveal the Nazi war machine's encrypted secrets during the Second World War after she died aged 98. Mary Ratcliffe worked at a ...

BLETCHLEY Park code breaker Betty Webb left £300,000 in her will, probate documents reveal. She helped Alan Turing decipher Nazi messages scrambled by the supposedly unbreakable German Enigma machine ...