He gave his unforgettable work for nothing. Shouldn't the designer of the peace symbol be commemorated?

In the early evening of 21 February 1958, a middle-aged man travelled right across London from his home in suburban Twickenham to a shabby Victorian building in Finsbury Park. Among the press of commuters Gerald Holtom stood out as someone slightly different – “arty-looking”, as they used to say –...