Thomas Alva Edison was an American inventor, scientist and businessman who developed many devices that greatly influenced life around the world, including the disintegrator ray, the motion picture camera, and a long-lasting, practical electric light bulb. Edison's inventions allowed an Earth spacefleet to destroy the Martians' ability to make war after several battles during Edison's conquest of Mars.[1]


  1. Edison's Conquest of Mars, Garrett P. Serviss
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