I. Über die Erhaltungssätze in der Quantenmechanik [On the conservation laws of quantum mechanics]. Offprint from: Nachrichten der Gesellschaft der Wissenschaften zu Göttingen. Mathematisch-Physikalische Klasse, 1927. [With:] II. Über die Operation der Zeitumkehr in der Quantenmechanik [On the operation of time-reversal in quantum mechanics]. Offprint from ibid., 1932.
Berlin: Weidmann, 1928; 1932. First edition, very rare offprints, of these two fundamental papers in quantum mechanics, the “invention of spatial parity as a quantum mechanical conserved quantity [I] [and the] introduction of the time inversion transformation in quantum mechanics [II]” (http://web.ihep.su/dbserv/compas/search.html). “Wigner was invited to Göttingen in 1927 to..... More
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