This week, I was introduced to the hobby of worldbuilding — inventing imaginary places, making maps, elaborating histories. (The platonist in me prefers to think of worldbuilding as the discovery of fictional universes, rather than an act of invention.) Tolkien There is a (perhaps apocryphal) tale that J. R. R. Tolkien got into a fight … Continue reading Worldbuilding, Worldbuilders, and Mathematics