77/1926 [Physics]. Collection of several hundred offprints from the collection of R. KRONIG, w. German, English, French and Russian text, often w. owner's entry of R. KRONIG and occas. w. a few of his ms. annots./ remarks, publ. between ±1930-1960, i.a. from Annalen der Physik, Physikalische Zeitschrift, Proceedings of the Royal Society of London and Sonderabdruck aus der Zeitschrift für Physik, various authors, various publishers.

= Ralph Kronig (1904-1995) was a German physicist. He is noted for the discovery of particle spin and for his theory of X-ray absorption spectroscopy. Comprises i.a. of 27 offprints by W. HEISENBERG; 5 offprints by E. FERMI (i.a. Artificial radioactivity produces by neutron bombardment, publ. 1934); 3 offprints by G. HERZBERG w. AUTOGRAPH SIGNED DEDICATION and by Y. NISHINA, S. TOMONAGA and H. YUKAWA (On the Interaction of Elementary Particles II-IV).