I N D E X 9 7 1 Wirth, Joseph (1879–1956), li, 473n Wohl, Alfred, 273 Wolff, Hans, AE on expert opinion in legal dis- pute, 95–96 Wolff, Rudolf, asks AE for financial assistance, 788a Wolff, Theodor (1868–1943), 281 Wolfskehl lectures, in Göttingen, 367n Wolfsohn, Julius (1880–1944), permission to dedicate his Jewish rhapsody to AE, 148, 790a Wood, Robert W., 425 Wrinch, Dorothy (1884–1976), 229, 251n Wulfart, Max (1876–1955), 726 Würfel, Georg, 826a Wustrow, 373n Xavier Léon, 796a X-rays discovery of, 407 Gradenwitz proposes “Röntgen-Lenard” rays, 385–386 AE on, 407 precision measurements by Wagner, 433 Yakumo, Koizumi. See Hearn, Lafcadio Yamada, Mitsuo, 571n as translator of AE’s Japanese collection of papers, 508n Yamada, Yoshio, as translator of AE’s Japanese collection of papers, 508n Yamamoto, Hantaro, lxiii Yamamoto, Misako, 568n, 658n Yamamoto, Sanehiko (1885–1952), lvi, lx, lxi, 118, 119, 179n, 210, 214, 544, 545, 547, 548, 549, 551, 552, 553, 554, 572n, 606, 617, 647, 657, 714 AE’s lecture tour agreement on, 86, 406 deposits advance for, 87 on preparations for, 406–407 on renewed research in relativity in Japan, 828a Yamamoto, Sayoko, 568n, 658n Yamamoto, Senji, lxiii, 615n Yamamoto, Yoshi, lxiii, 568n, 650, 658 Yazaki, Yoshimori, 568n Yellin, David, 559, 576n, 577n, 582n Ying, Huide, 566n Ying, Shi, 566n Yokohama Specie Bank, and AE’s travel ex- penses, 790a, 820a Yokozeki, Aizo, lvii Yoshihito, Emperor of Japan (1879–1926), 564n Youth Assembly Hall, Tokyo, AE lectures at, 546 Yu, Youren (1878?–1964), 566n Zahn, Hermann (1877–1952), 223 Zangger, Gertrude (1907–1918), death of, 29 Zangger, Gina (1911–2005), 29 Zangger, Heinrich (1874–1954), liv, lvii, 15, 17, 18, 19, 22, 194, 370, 413, 465, 529, 616, 797a on AE’s appointment at ETH, 15 on AE’s inhibitions, 30 AE stays with, 23 Bleuler, on book by, 114 on character of AE’s sons, 17–18 on date of meeting with AE, 818a on daughter’s death, 29 Debye, on his courses, 178 on Eckstein-Diener 1921, 178 Eddington, on theory of, 114 Eduard Einstein, on illness of, 18, 19, 19 sen- sitivity of, 30 Hans Albert Einstein, on behavior of, 19 on German “patriotism,” 414 Hashida, on investigations by, 178 on Laplace, 114 on quantum theory and relativity, 341 on secret of quanta, 341 on tactlessness of Germans, 465 Weyl, on his theory, 114, 341 Zaragoza, Academy of elects AE corresponding member, 563 Zarek, (Otto), opinion on, 819a Zeeman, Pieter (1865–1943), xxxiv, xxxviii, 157, 301n AE visits with, 289 experiment proposed by AE to, 294 proposed as corresponding member of PAW, 789a Zeeman effect, anomalous, Heisenberg on, 77 Zeisler, Sigmund, on AE’s money left in U.S., 818 Zenkoku Gakusei Rengo (National Federation of Students), congratulates AE for pacifism, 824a Zernike, Frits, 849, 852 Zero-point energy, 109, 147 Zhang, Junmou, 566n, 575n