Professor Dyson was the inventor of several concepts bearing his name, such as the Dyson Tree, capable of growin in a comet, the perturbative Dyson Series, and more than anything, the Dyson Sphere, a theoretical mega-structure meant to enclose a star, allowing for the harnessing of the vast majority of its power output, famous around here for having been installed around Zeta Cygni, and being where Avalon is located.

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Stoke Mandeville, Esq & The Victorian Ballsmiths
"Nobody Want Verdigris-Covered Balls!"