John Couch Adams (June 5 1819 - January 21, 1892), was a British mathematician and astronomer. Adams was born in Laneast, Cornwall and died in Cambridge. His most famous achievement was predicting the existence and position of Neptune, using only mathematics. The calculations were made to explain discrepancies with Uranus's orbit and the laws of Kepler and Newton. At the same time, but unknown to each other, the same calculations were made by Urbain Le Verrier. Wikipedia
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