Kurt was so intrigued with the imaginary number “i” symbolized by this expression he had a T-shirt made. Kurt had all sorts of T-shirts in his wardrobe—ranging from declarative to contemplative—yet another dimension of his expressive personality. The same was true of hats, and for that matter, socks, shirts, pants, belts and so forth. Not the type to just throw on anything, Kurt thought about how he dressed, and had the closet of a clothes horse.