How British engineering icons changed espionage in two world wars

MUCH OF THE success of gathering intelligence, secure communication and espionage during the turmoil years of the First and Second World Wars was down to technology and engineering. E&T interviewed Dr Elizabeth Bruton, curator of technology and engineering at the Science Museum, London, and curator for 'Top Secret: From ciphers to cyber security', a free exhibition at the Science and Industry Museum, Manchester, from 19 May-31 August 2021.