Arthur Erich Haas

Arthur Erich Haas (April 30, 1884 in Brno – February 20, 1941 in Chicago) was an Austrian physicist, noted for a 1910 paper[1] he submitted in support of his habilitation as Privatdocent at the University of Vienna that outlined a treatment of the hydrogen atom involving quantization of electronic orbitals, thus anticipating the Bohr model (1913) by three years.

Arthur Erich Haas
BornApril 30, 1884
Brno, Austria
DiedFebruary 20, 1941
Chicago, Illinois
Resting placeCedar Grove Cemetery, Notre Dame, Indiana
NationalityAustria
OccupationPhysicist

Haas’ paper, however, was initially rejected and even ridiculed. As noted in his autobiography, Haas recalls: "When I lectured to the Chemical-Physical Society of Vienna ... Lecher ... referred to the presentation during open discussion as a carnival joke" (the lecture was held during carnival time in Austria, February 1910). Soon thereafter, however, by September 1911 at a physical science convention in Karlsruhe, former detractors of Haas' work acknowledged it with greater enthusiasm as noted in a footnote: "We do not know what caused [a] change of mind in 1911 and can merely suggest the general trend of thinking at the time: 1910 saw the beginning of a universal shift of opinion of the quantum concept."[2]

The significance of Haas' work lay in the establishment of a relationship between Planck's constant and atomic dimensions, having been first to correctly estimate the magnitude of what is today known as the Bohr radius.

From 1936 to his death he was professor at the University of Notre Dame.

Works
  • Die Grundgleichungen der Mechanik dargestellt auf Grund der geschichtlichen Entwicklung, Leipzig: Veit, 1914.
  • Einführung in die theoretische Physik (2 volumes) 1. {online} Leipzig: Veit, 1919; 2. Berlin: de Gruyter, 1921. English translation: Introduction to Theoretical Physics, translated by T. Verschoyle, London: Constable, 1925.
  • Naturbild der Neuen Physik, Berlin: de Gruyter, 1920. English translation: The New Physics, translated by R. Lawson, London: Methuen, 1923.
  • Atomtheorie, Berlin: de Gruyter, 1924. English translation: Atomic Theory: An Elementary Exposition, translated by T. Verschoyle, London: Constable, 1927.
  • Materiewellen und Quantenmechanik, Leipzig: Akademische Verlagsgesellschaft, 1928. English translation: Wave Mechanics and the New Quantum Theory, translated by L. W. Codd, London: Constable, 1928.
  • Die Grundlagen der Quantenchemie, Leipzig: Akademische Verlagsgesellschaft, 1929. Revised English translation: Quantum Chemistry: A Short Introduction in Four Non-Mathematical Lectures, translated by L. W. Codd, New York: R. R. Smith, 1930.
  • Die kosmologischen Probleme der Physik, Leipzig: Akademische Verlagsgesellschaft, 1934.
  • Umwaldlungen der chemischen Elemente, Berlin: de Gruyter, 1935.
  • Physik für Jedermann, mit besonderer Berücksichtigung der modernen technischen Anwendungen, Berlin: Verlag von Julius Springer, 1933 (popular scientific).
gollark: *sigh.
gollark: Are you a woman yourself?
gollark: Ok, eric, do you interest in boys or girls?
gollark: What is your name?
gollark: That's all.

See also

References
  1. Haas, Arthur Erich (1884-1941) Über die elektrodynamische Bedeutung des Planck'schen Strahlungsgesetzes und über eine neue Bestimmung des elektrischen Elementarquantums und der Dimension des Wasserstoffatoms. Sitzungsberichte der kaiserlichen Akademie der Wissenschaften in Wien. 2a, 119 pp 119-144 (1910). Haas A.E. Die Entwicklungsgeschichte des Satzes von der Erhaltung der Kraft. Habilitation Thesis, Vienna, 1909. Hermann, A. Arthur Erich Haas, Der erste Quantenansatz für das Atom. Stuttgart, 1965 [contains a reprint].
  2. Hermann, Armin (1974) Claude W. Nash (tr.) The Genesis of Quantum Theory (1899-1913). The MIT Press Cambridge, Massachusetts, and London, England, Ch. 5. ISBN 0-262-08047-8.
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