Balfour Stewart and Gustav Robert Kirchhoff: Two Independent Approaches to "Kirchhoff's Radiation Law"

  title={Balfour Stewart and Gustav Robert Kirchhoff: Two Independent Approaches to "Kirchhoff's Radiation Law"},
  author={Daniel M. Siegel},
  pages={565 - 600}
  • D. Siegel
  • Published 1 December 1976
  • Physics
  • Isis
JN MARCH OF 1858 a young Scottish physicist named Balfour Stewart presented to the Royal Society of Edinburgh "An Account of some Experiments on Radiant Heat."' In these experiments Stewart had investigated the properties of various materials as absorbers and emitters of radiant heat, or what we now call infrared radiation. As the materials were prepared in the form of thin plates for these experiments, Stewart stated the general law at which he arrived as follows: "The absorption of a plate… 
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Ableitung des Stefan'schen Gesetzes, betreffend die Abhängigkeit der Wärmestrahlung von der Temperatur aus der electromagnetischen Lichttheorie
Maxwell 2) hat aus seiner elektromagnetischen Lichttheorie das Resultat abgeleitet, das ein Strahl von Licht oder strahlender Warme auf die Flacheneinheit bei senkrechter Inzidenz einen Druck ausuben
( John William Strutt , 3 rd Baron Rayleigh ) , " Remarks on the Law of Complete Radiation
  • Phil . Mag .
  • 1900
Concerning this and subsequent relevant work by Rayleigh and James Jeans, see
  • Physikalische Abhandlungen und Vortrage
  • 1900
41:lxxxiv-xcix, esp. pp. xcv-xcvii
  • Rep. Br. Ass
For further background on the resonance idea, see the references of n. 36 above. '36Thomson to Stokes
  • Stokes, Papers
I thank you, God, that I am not like other people-thieves, wrongdoers, adulterers
  • Recent Advances
Obituary Notice of Balfour Stewart
  • from Proc. Roy. Soc, London, 1889. 155Tait
On Radiation
  • reprinted from Proc. Roy. Soc. Edinburgh