Presented by Artangel, Stifter's Dinge contains no actors. So does it still count as theatre?When the National opened its recent production of The Hour We Knew Nothing of Each Other, much of the build-up focused on the fact that that it was a play without any words. Quelle horreur! Then Peter Brook's oft-quoted maxim from the opening of The Empty Space would be trotted out in its defence: "I can take any empty space …
