Charles Sheffield , was an English-born mathematician, physicist and science fiction author. He was also a President of the Science Fiction and Fantasy Writers of America and of the American Astronautical Society. His novel The Web Between the Worlds, featuring the construction of a space elevator, was published almost simultaneously with Arthur C. Clarke's novel on the subject, The Fountains of Paradise, a coincidence that amused them both. Sheffield served as Chief Scientist of Earth Satellite Corporation, a company that processed remote sensing satellite data. The association gave rise to... many technical papers and two popular non-fiction books, Earthwatch and Man on Earth, both collections of false colour and enhanced images of Earth from space. He won the Nebula and Hugo awards for his novelette "Georgia on My Mind" and the 1992 John W. Campbell Memorial Award for Best Science Fiction Novel for his novel Brother to Dragons. Sheffield was Toastmaster at BucConeer, the 1998 World Science Fiction Convention in Baltimore.
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