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William Thomson, 1st Baron Kelvin OM, GCVO, PC, PRS, PRSE (26 June 1824 – 17 December 1907) | by infomatique
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William Thomson, 1st Baron Kelvin OM, GCVO, PC, PRS, PRSE (26 June 1824 – 17 December 1907)

William Thomson, 1st Baron Kelvin OM, GCVO, PC, PRS, PRSE (26 June 1824 – 17 December 1907), was an Irish and British mathematical physicist and engineer who was born in Belfast in 1824. At the University of Glasgow he did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics, and did much to unify the emerging discipline of physics in its modern form. He worked closely with mathematics professor Hugh Blackburn in his work. He also had a career as an electric telegraph engineer and inventor, which propelled him into the public eye and ensured his wealth, fame and honour. For his work on the transatlantic telegraph project he was knighted by Queen Victoria, becoming Sir William Thomson. He had extensive maritime interests and was most noted for his work on the mariner's compass, which had previously been limited in reliability.

 

Absolute temperatures are stated in units of kelvin in his honour. While the existence of a lower limit to temperature (absolute zero) was known prior to his work, Lord Kelvin is widely known for determining its correct value as approximately −273.15 Celsius.

 

 

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Taken on June 24, 2014