Joan Clarke, who was portrayed by Keira Knightley in the 2014 film The Imitation Game, was a talented mathematician who worked alongside Alan Turing at Bletchley Park.
Centenarian receives WWII Service Medals bucksherald.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bucksherald.co.uk Daily Mail and Mail on Sunday newspapers.
Can you colour in the above fruitbowl using only four colours, so that the pear is green, the orange is orange, the apple is red, the banana is yellow, and no two touching shapes have the same colour?