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He was born in Langford Grove, Maldon, Essex, England.
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His Theory of Sound was publihed in two volumes during 1877-1878.
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He discovered Argon.
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He and William Ransey established a whole new group in the periodic table called the noble gases
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He received the Copley Medal.
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He received the physics Nobel Prize for "for his investigations of the densities of the most important gases and for his discovery of Argon in connection of studies."
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He gave an account of the dicovery of the anomalous energy released by active nitrogen at reduced pressure/
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He died in Witham, Essex, England.