Wolfgang Yourgrau* loved to speak to mixed audiences composed of colleagues, younger staff members, and students (and even “ladies”) on topics which allowed him to make big excursions from physics, his original professional field, to various philosophical domains where he found reasons to show that physics is at the same time a glorious enterprise and a discipline which has to show modesty in view of its own limitations. He was not afraid to say simple things, which more or less everybody thought they had known already for ages, but the way he said them was the originality of his talks. Though there is no question of either imitating or paraphrasing him, this paper will also attempt to present things which may be well known; however, the relationships which are expected to follow from the manner they are presented may have escaped the awareness of many a scholar.


Space Symmetry Positivistic Classification Canonically Conjugate Momentum Modern Theoretical Physic 20th Century Physic 
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References and Notes

  1. 1.
    Ward Rutherford, The Druids and their Heritage (Gordon & Cremonesi Publishing, London & New York, 1978), pp. 46 and 47.Google Scholar
  2. 2.
    Cf. A. Mercier, “Physical and Metaphysical Time,” Epistemologia 1, 337–352, (1978).Google Scholar
  3. 3.
    A. Mercier, “Tiempo físico y tiempo metafísico,” in Proc. First World Congress of Christian Philosophy, Cordoba-Embalse, Argentine, 1979. In press (Sociedad Catolica Argentine de Filosofia, Vol. III, Cordoba, 1981), p. 1469.Google Scholar
  4. 4.
    A. Mercier, “Forms of Determinism, Objectivity, and the Classification of the Sciences,” in Perspectives in Quantum Theory. Essays in Honor of Alfred Land é ,W. Yourgrau and A. van der Merwe, editors (MIT Press, Cambridge, Massachusetts, 1971).Google Scholar

Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • André Mercier
    • 1
  1. 1.Universität BernBerneSwitzerland

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