Never mind Windows 95, let’s time travel back to 1950

Flmmff. That, I need hardly tell you, is the sound of a wormhole appearing in the space-time continuum, through which I’ve just sent three gentlemen a copy of this magazine. In their world, it’s 1950. One falls into the lap of Maurice Wilkes; another lands next to FC Williams; and the third flies into Alan Turing’s pigeonhole at King’s College, Cambridge, which I know he’ll be checking in a couple of minutes. Of those three names, you’ll surely be most familiar with Turing. You may also have a p...