692 INDEX Freundlich, Erwin (cont.) for eclipse expedition to investigate solar gravitational light deflection, 593, 581n, 594n, 596n Füchtbauer, Christian (1877-1959): AE's comments on paper by, 131 paper on sec- ondary rays, 132n teaches course in Würzburg, 120, 121n Galic, Sofija, 115n, 344n, 345n Gamma rays, ionization due to: AE on, 284 Gans, Richard (1880-1954), 308, 309n, 447n candidacy for chair at University of Zurich, AE's comments on, 445 Gasser, Adolf (1877-1948), 85n, 132n, 141n, 250n, 524 congratulates AE on appoint- ment, 107 death of mother-in-law, 108, 108n offers AE help in obtaining position at Technikum Winterthur, 108 on possi- ble vacancy at Technikum Winterthur, 90 visit to AE, 140 work on Maschinchen, 89 work with electrometer, 140 Gasser, Rudolf (1873-1963), 91n, 151n, 162n work on Maschinchen, 53, 90, 132n Gasser-Reiniger, Hedwig (1881-1941), 90n, 108n, 141n Gauchat, Ludwig Emil (1838-1905), 9, 10n Gaule, Karl, 243, 249 GDNA: meeting in Cologne, 89n, 105n, 136, 136n, 149n, 152 meeting in Dresden, 75, 89n meeting in Karlsruhe: AE's atten- dance of, 324n, 331, Fritz Haber's paper at, 378n, Ludwig Hopf's paper at, 336n, Heinrich Zangger's attendance of, 326n meeting in Salzburg: AE's attendance of, 81n, 202, AE's paper at, 190n, 209n, 210n, 227, 232, Max Born's paper at, 211n meeting in Vienna: AE submits paper for, 543, AE's paper at, 522n, 550n, 556, AE's comments on paper at, 544, discussion between AE and Gustav Mie at, 551n Geitel, Hans Friedrich (1855-1923), 384n induction machine of, 52 Gentner-Aichroth, Friedrich (1857-1935), 599n General relativity. See Gravitation, relativis- tic theory of Geometry, non-euclidean: Marcel Grossmann's work on, 25 Gibbs, Josiah Willard (1839-1903), 172, 193 Gnehm, Robert (1852-1926), 333n, 350n, 352, 353n, 367n, 368n, 371, 382n, 407n, 510n, 529n attempts of to keep AE at ETH, 583n objections to ETH theoretical physics chair: 333n, 340n, dropped, 365n 399n initiates negtiations with AE on ETH appointment, 365n letter from Claparede, Alfred de, 529n letter from Kaufler, Felix, 481n letter from Perrier, Albert, 287n letter from Zangger, Hein- rich, 372n letter to Claparede, Alfred de, 529n letter to Schobinger, Josef, 333n, 340n Gobat, Albert (1843-1914), 106n letter from Tobler, Gustav, 105n Gockel, Albert (1860-1927), 124n, 151n collaboration with AE, 162 Gockel-Baumhauer, Paula (1898-1969), 151n Goldschmidt, Alice (1892-?): engagement to Ludwig Hopf, 484n marriage to Ludwig Hopf, 502n Goldschmidt, Robert (1877-1935), 300, 301n, 522n Gomperz, Theodor (1832-1912), 19, 19n Görz (Gorizia), 296n Gouy, Louis-Georges (1854-1926), 44n objections to AE's theory of Brownian motion, 44 Graetz, Leo (1856-1941), 264n Graf, Johann Heinrich (1852-1918), 24, 25n Grassmann, Hermann (1809-1877), 296, 296n, 533n Gravitation: controversy between AE and Max Abraham on, 394, 394n Max Abraham's theory of, 394n possible influ- ence on dissociation and solubility, Michele Besso on, 14 Gravitation, relativistic theory of: AE's early work on, 82 AE's work on, 309 AE's and Marcel Grossmann's collaboration on, 505, 516, 517, 538 AE's and Marcel Grossmann's paper on, 523, 531 AE's and Marcel Grossmann's theory: AE's polemic with Gustav Mie on, 594, 594n, 595, covariance of, 552, conservation laws in, 552, 563, 568, 584, lack of general covariance of, AE's comments on, 547, 562, 563, 568, 584, mass-energy equiva-