World War Two remains, for a certain kind of Brit, a living and vital presence. The increasingly-distant memory of our Finest Hour still shapes how many regard Britain’s present and future. How else can we even begin to explain Nigel Farage’s appearance to the sound of air raid sirens at one of his Brexit party rallies? Why else should our current Prime Minister have felt obliged to write a biography of Winston Churchill?

It was then no real surprise that during the early weeks of the Covid crisis many hoped for a renewed, if somewhat bogus, ‘spirit of the Blitz’.