Éleuthère Mascart

Éleuthère Élie Nicolas Mascart (20 February 1837 – 24 August 1908) was a noted French physicist, a researcher in optics, electricity, magnetism, and meteorology.

Éleuthère Mascart

Life

Mascart was born in Quarouble, Nord. Starting in 1858, he attended the École normale supérieure (rue d'Ulm), earning his agrégé-préparateur three years later. He acquired his doctoral degree in science in 1864. After serving at various posts in secondary education, in 1868 he moved to the Collège de France to become Henri Victor Regnault's assistant. Mascart was appointed to succeed Régnault as the tenured Régnault chair in 1872, which he held until his death. In 1878 he also became the first director of the Bureau Central Météorologique.

He won the Bordin Prize of the Académie française in 1866 and the Grand prix of the Académie des sciences in 1874.

He was elected Perpetual Member (1884), Secretary, and in 1904 President, of the Académie des Sciences, and in 1892, Foreign Member of the British Royal Society. Mascart was elected vice president of the British Institution of Electrical Engineers in 1900, the first non-Briton to hold the post. He was also a grand officier of the Légion d'Honneur. Mascart founded Supélec in 1894.

Mascart's graduate student Henri Bénard carried out groundbreaking experiments in thermal convection, as part of his dissertation research, in Mascart's laboratory. Bénard's doctoral thesis was defended in 1901.

Mascart died in Paris at the age of 71. Obituaries were published in the Journal de Physique théorique et appliquée.[1] and in Nature.[2] Mascart's son-in-law Marcel Brillouin and his grandson Léon Brillouin were also noted scientists.

Cape Mascart is named for him.

gollark: Try not alcoholing.
gollark: There's no literal Cartesian theatre going on where it has to rotate the image again to project it onto our consciousness.
gollark: I don't think that particularly matters. We define our perceptual up and down and such based on vision.
gollark: Also merging together information from saccades (rapid eye movements to look at more of a scene with the fovea) and correcting for orientation/vibrations/movement.
gollark: And the brain does a lot of fancy stuff to pretend to have a coherent visual field despite the blind spot and the fact that only a small region (the fovea) can actually sense color well.

References
  1. J. de Phys., 4th series, vol. 7, pp. 745-746 (1908).
  2. Nature, vol. 78, pp. 446-448 (1908).

Bibliography
  • E. Mascart, Recherches sur le spectre solaire ultra-violet et sur la détermination des longueurs d'onde, Thunot, Paris, 1864.
  • E. Mascart, Éléments de Mécanique, Paris, 1866, 9th ed. in 1910.
  • E. Mascart, Traité d'électricité statique, 2 volumes, G. Masson, Paris, 1876.
  • E. Mascart and J. Joubert, A Treatise on Electricity and Magnetism, Translated by E. Atkinson, 2 volumes, T. De La Rue, London, 1883-1888.
  • E. Mascart, Notice sur les travaux scientifiques de M. Éleuthère Mascart, Gauthier-Villars, Paris, 1884.
  • E. Mascart, The Age of Electricity, Report of the Board of Regents of the Smithsonian Institution, pp. 153–172, 1894.
  • E. Mascart, Traité d'Optique, 3 volumes, Gauthier-Villars, Paris, 1889-1893.
  • E. Mascart, Leçons sur l'électricité et le magnétisme. Tome premier, Phénomènes généraux et théorie, Paris, G. Masson, 1896-1897.
  • E. Mascart, Leçons sur l'électricité et le magnétisme. Tome second, Méthodes de mesure et applications, Paris, G. Masson, 1896-1897.
  • E. Mascart, Introduction à la physique expérimentale, 1888.
  • E. Mascart, Traité de Magnétisme Terrestre, Paris, 1900.
  • P. Janet, La vie et les oeuvres d'Eleuthère Mascart, Revue générales des sciences pures et appliquées, vol. 20, pp. 574–593, 1909.
  • P. Langevin, Eleuthère Mascart par Paul Langevin, 1909.
  • R.H. Stuewer, Mascart, Éleuthère Élie Nicolas, Dictionary of Scientific Biography, Charles Scribner's Sons, New York, vol. 9, pp. 154–156, 1981.
  • Electricians International Society, Travaux du Laboratoire central d'électricité, tome I, 1884-1905.
  • Girolamo Ramunni and Michel Savio, Cent ans d'histoire de l'École Supérieure d'Electricité, 1894-1994, 1995.
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