Greenwich Mean Time. GMT refers to the mean solar time at the Royal Observatory in Greenwich, London, which later became adopted as a global time standard.
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Nevil Maskelyne (1732–1811) was a hugely significant figure in the worlds of British science and maritime exploration. His high international standing and wide influence have in many ways been unfairly overlooked as his story has come to be dominated by his role in the campaign waged by John Harrison, the clockmaker, for a larger reward for his pioneering marine timekeepers. 177 more words