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John Cleves Symmes and the Hollow Earth
In 1818, John Cleves Symmes (1779-1829), nephew of the Ohio pioneer of the same name, announced to the world that the earth was hollow, in habitable, and accessible at the poles. He was not the first nor the last hollow earth theorist, but he was certainly among the most interesting, in part because he advanced his theories during when polar exploration was an active concern. Symmes presented the bare facts of his “theory of concentric spheres and polar voids” in a short piece (reproduced below) entitled Light gives light, to light discover—”ad infinitum.” Responses varied from scorn to enthusiasm, even […]