The concept of space has been critical to architectural theory for over seventy years now. It remains however, an elusive idea, on the one hand meaning and referring to everything, on the other hand meaning and referring to nothing. Why? Is it because “space”, like “time”, is a category outside of which thinking itself seems to be impossible, just as Kant asserted? Is it simply one of those irreducible, universal without which the world as such would cease to in any sense, let alone be of, or perceived by, sentient beings givens be thought Certainly to suggest that space itself is an active, causative agent of some sort risks opening that discussion up to universalizing of the most extreme and vacuous kind. For if I am not to be a dualist, ...