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Are you Ray Spangenburg, author of the books below?
Carl Sagan by Ray Spangenburg Niels Bohr Gentle Genius of Denmark by Ray Spangenburg The History of Science from the Ancient Greeks to the Scienti... by Ray Spangenburg The History of Science in the Eighteenth Century by Ray Spangenburg The Rise of Reason by Ray Spangenburg The History of Science in the Nineteenth Century by Ray Spangenburg Georgia O'Keeffe by Ray Spangenburg The History of Science from 1895 to 1945 by Ray Spangenburg The Birth of Science (History of Science by Ray Spangenburg The Age of Synthesis by Ray Spangenburg


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