I N D E X 3 4 3 Schweidler, 251 successor of Paschen, 216 Tank, 247 REQUESTS BY: Acta Mathematica, for article, 186 Annalen der Physik, to solicit papers for, 333 Burghold, for support of exchange of Ger- man and foreign scholarly literature, 318–319 Central Association of German Citizens of the Jewish Faith, to fight against anti-Semitism, 302 Forum, for article, 172–173, accepts, 182 Johnsen, for recommendation for, Becker, Gans, Harms, Koch, Madelung, Val- entiner, Weber, Zahn, 41 Kantstudien, for article, 25, declines, 29 Lánczos, for postgraduate position, 160– 161 Nature, for article, 151, 154, in prepara- tion, 181, 199, 208, 228, 248, 324 Schlick, for commenting on his book on relativity, 190 Seelig, for contribution to The Twelve Books, 195–196, declines, 201 Stöcker, for signing April 1919 appeal, 18 Student Association for the Cultural Arts at the University of Berlin, for support, 105, declines, 108 Swabian League, for article, declines, 38 SCIENCE: Diatomic molecules, rigidity of, 283 Ion mobility, 283 Nernst, on technical collaboration with, 178 Photochemistry, 98, 133 Probability: on equipartition theorem, 166, 176 on ergodic hypothesis, 166 on Mises’s manuscript, 193 causality, and light absorption and emission, 237 dissatisfied with, 47, 55 Kossel and Sommerfeld’s paper, pre- sents to DPG, 12, 35 on Bjerrum bands, 282 on Bohr’s atom model, 283 on dissociation equilibria, 308 on Lorentz’s textbooks, 136, 139, 162 reads Bohr, 136 rotational energy of gas molecules, in- terested in, 268 Relativity, general theory of: Anomalous dispersion in solar atmo- sphere, as cause of: light deflec- tion, 164 sunspots, 164 ether, and physical space, 139, 296 geodetic precession, 298 gravitational redshift: confident in ex- istence of, 14, 206, 307–308 on confirmation of, 213 cosmological problem, 178 Freundlich’s results on, 14 optimistic about, 256 Klein’s paper, 19 light deflection, on Emden’s manu- script on light refraction as cause of, 187 Mach’s principle, doubts in, 139 mass density, of universe, non-zero average of, 162 matter density, finite, as leading to fi- nite universe, 246 physical laws, on transfer from rest to moving systems of, 229 rotating disk, on paradox of, 74–76, 77 space, prefers spherical to elliptical, 20 stars, molecular weight of, 9 universe, on spatially closed, 139 See also EINSTEIN, ALBERT: ECLIPSE EXPEDITION Relativity, special theory of, discusses with Guillaume, 231–233, 255–256, 262–264 Relativity, theory of, on historical devel- opment of, 161–162 Scientific literature, proposes exchange of German and foreign, 318 Statistical mechanics, on Mises’s paper, 166 Subelectron, problematic nature of, 5, 222–223 Unified field theory: gravitational field, in constitution of matter, 10, 15, 19, 48, 87 on Kaluza’s theory, 21, 32, 36–37 on Weyl’s theory, 21, 44, 49, 63, 162, 178, 184, 246, 278 quantum structure from overdetermination, 246, 283, 308 quantum problem and relativity, 246, 283, 308