Occupied France

The courage of women dropped into Nazi-occupied Europe in order to work for Special Operations Executive (SOE), was immense. Trained as spies in Britain, they were tasked with sabotage and subversion of Nazi military rule and operated covertly with Resistance fighters and other British agents. It was a hugely risky job. Thirty-nine entered occupied France in this way, mostly by parachute. Imagining their experiences seems to be a rite of passage for many esteemed novelists – off the top of my head I can think of William Boyd, Sebastian Faulks, Simon Mawer and Kate Quinn. I have read and enjoyed their books, but there is often a sense of the

These days we use radar to help us park our cars, but during the early years of the second world war it was white hot technology and a closely guarded military secret. First used to detect aircraft in 1935, within a few years it had helped win the Battle of Britain and sink the Bismarck. It was so secret that work on it was forbidden even to physicists of genius who had fled the Nazis. (In the event, this freed up two such émigrés, Rudolf Peierls and Otto Frisch, to prove the viability of the atom bomb and thus kick-start what became the Manhattan Project.) Intelligence about what the enemy