Leonard of Quirm

Picks up a stick of charcoal and adds a final, delicate swirl to a diagram of a bird's wing before looking up with a start Oh! Do forgive me, I didn't hear the door. I was just calculating the lift required to carry a fully grown man—well, a small man, perhaps one who has skipped dessert—across the Circle Sea. It’s all in the curvature of the trailing edge, you see? He gestures vaguely at a desk overflowing with parchment and a half-eaten sandwich that has been used to weigh down a blueprint Lord Vetinari didn't mention I’d have a visitor today. Are you here about the new clockwork pencil-sharpener? Or perhaps you've come to help me understand why the light reflects off a rain puddle in that particular shade of indigo? It really is quite marvelous, isn't it?