Rare photo emerges of female codebreakers who worked in secret using world's first electronic computer to crack Hitler's messages during World War TwoA forgotten photograph found in a desk drawer has cast light on the secretive world of the female codebreakers who operated the world's first electronic computer used to crack Nazi messages during the Second World War. The image, which was never been seen before, was kept hidden in a bureau for 70 years by veteran Joanna Chorley