*Haec pagina de Barone Kelvin disserit. Si de unitate Kelvin quaeres, vide Kelvin (unitas).*

Wikidata Gulielmus Thomson, baro Kelvin
Res apud Vicidata repertae:Gulielmus Thomson, baro Kelvin: imagoGulielmus Thomson, baro Kelvin: imagoGulielmus Thomson, baro Kelvin: subscriptioGulielmus Thomson, baro Kelvin: subscriptio
*Nativitas*: 26 Iunii 1824; Belfastum  
*Obitus*: 18 Decembris 1907; Largs  
*Patria*: Britanniarum Regnum  

**Officium**

*Officium*: Member of the Privy Council of the United Kingdom, President of the Royal Society, Member of the House of Lords  
*Munus*: physicus, astronomus, mathematicus, professor, politicus, scriptor  
*Patronus*: University of Glasgow
**Consociatio**

*Factio*: Factio Liberalis, Liberal Unionist Party  
*Religio*: Religio Christiana
**Familia**

*Genitores*: James Thomson; Margaret Gardiner  
*Coniunx*: Margaret Crum, Frances Anna Blandy  

**Memoria**

*Laurae*: Pour le Mérite for Sciences and Arts order, Societatis Regalis Londiniensis socius, Knight Grand Cross of the Royal Victorian Order, Copley Medal, Royal medal, John Fritz Medal, Poncelet Prize, Helmholtz Medal, Matteucci Medal, Imperial Order of the Rose, Albert Medal, Smith's Prize, Keith Medal, Bakerian Lecture, Order of Merit, Order of the Sacred Treasure, honorary member, Knight Bachelor, Grand Officer of the Legion of Honour, Commander of the Legion of Honour, Ordo Leopoldi  
*Sepultura*: Abbatia Westmonasteriensis  

**Insignia heraldica**

Gulielmus Thomson, baro Kelvin: insigneGulielmus Thomson, baro Kelvin: insigne
**Gulielmus Thomson, primus baro Kelvin** (natus Belfasti die 26 Iunii 1824; mortuus die 17 Decembris 1907), physicus, mathematicus, et ingeniarius Britannicus, hodie praeclarissimus non solum quia gradus temperaturae absolutae excogitavit, sed etiam quia analysim mathematicam scientiarum electromagneticae et thermodynamicae saeculi undevicensimi maxime ingreditur. Et enerigiam cineticam nominatvit.

Anno 1851 priscam formam secundae legis thermodynamicae his verbis statuit:

*Non est possibile, nisi facultas immaterialis intercedit, phaenomenon mechanicae derivare e cuiusquam materiae parte quam frigescimus sub frigidissima tempuratura corporum circumpositorum.*
Suis cum Iacobo Ioule operis de caloris natura annos 1852-1856 theoriam cineticam caloris magnopere statuit. Annos 1855-1856 Thomson quoque cum Petro Guthrie Tait collaboravit et scripsit suorum magnum "Detractatus de Philosophia Naturali" qui novam disciplinam physicae unificabat sub sententia energiae.

Opera
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* Thomson, W. 1882–1911. *Mathematical and Physical Papers.* 6 vol. Cantabrigiae: Cambridge University Pres. ISBN 0-521-05474-5.

Nexus interni
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* 8003 Kelvin
* Machinatio caloris

Notae
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1. ↑  
W. Thomson, "On an absolute thermometric scale founded on Carnot's theory of the motive power of heat, and calculated from Regnault's observations," *Mathematics and Physics Papers* 1, 100-106 (1848).
2. ↑  Anglice: "It is impossible, by means of inanimate material agency, to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects," W. Thomson, "On the dynamical theory of heat; with numerical results deduced from Mr. Joule's equivalent of a thermal unit and M. Regnault's observations on steam," Math. and Phys. Papers 1 (1851). p. 179.
3. ↑  W. Thomson, "On the thermal effects of fluids in motion, "Math. and Phys. Papers 1, pp. 333-455 (1856).
4. ↑  W. Thomson et P. G. Tait, *Treatise on Natural Philosophy*, Oxford, 1867.