9 2 4 I N D E X Bina, Baruch, 581n Biram, Arthur (1878–1967), 560, 580n, 581n on Technion, 723 Birkhoff’s theorem, 597n Black-body radiation, 458 and Boltzmann’s principle, 11 Blackett, Basil (1882–1935), 591, 822a Blaschke, Wilhelm (1885–1962), 58 Bleuler, Eugen (1857–1939), Zangger on book by, 114 Block, Paul, xlvii on AE’s lectures at Collège de France, 281 on AE’s success in Paris, 282 article on AE’s Paris lectures for Berliner Tageblatt, 225 asks AE for popular lecture to Germans living in Paris, 225 AE declines, 270–271, 281 on professors of Collège de France, 281 Blondel, Georges (1856–1948), 281 Blumenfeld, Kurt, lxv BNV, 22 invited by Ligue des droits de l’homme, 166 requests signature to appeal for peace, 787a Bohr, Niels (1885–1962), xxxviii, xlii, lx, lxxiii, 75, 112, 143, 300, 306, 368, 424, 476n, 511n, 555, 592n, 697 AE is enthusiastic about results of, 300 AE on, 50 congratulates AE for Nobel Prize, 593 Ehrenfest writes to about propagation of light in dispersive media, 108n in Göttingen, 367, 447 paper of taken by AE along on trip, 698 perturbation method, 291 praised by AE, 202 on principles of energy and momentum conser- vation vs. ether, Ehrenfest on, 90 proposed by AE for corresponding member of PAW, 139n, 140 on quantization in complicated fields, 444 Rutherford-Bohr theory, 173, 460 theory of monatomic hydrogen, 268 on time of transition between energy levels, 99 Bokowski, Adalbert, AE sends Einstein 1914o with critical remarks to, 784a Bolivar, Ignacio, 585n Bollag, Arnold (1877–1953), 350 Boltzmann, Ludwig, 211 on kinetic theory, 5 Boltzmann equation, 7 applications of, 7–12 Brownian motion from, 8 Boltzmann principle, AE on, 3–12 distribution of particles in liquid form, 8 Bonnevie, Carl, on Committee on Intellectual Cooperation, 809a Bonnevie, Kristine (1872–1948), 308, 809a Borchardt, Bruno, requests help for his popular book, 794a Bordas, Antonio Fernández (1870–1950), 586n Borel, Emile (1871–1956), xlviii, 796a, 833, 842 on combatting of extreme right, 381 on Confédération des travaileurs intellectuels de France, 304 on Curie-Langevin affair, 15 dinner with AE 197, 204, 393 on international actions of national organiza- tions of intellectuals, 304, 366 on Rathenau’s assassination, 381 on relativity, 285 welcomes AE in the Committee on Intellectual Cooperation, 366 Borelius, Gudmund (1889–1985), on supercon- ductivity, 307, 310 Born, Gritti, 465n Born, Irene, 465n Born, Max (1882–1970), xxxvi, xxxviii, xxxix, xlii, xliv, 91, 187, 367, 464, 645 on Brody, 290 on elliptic electron orbit, 291 Guillaume, on paper of, 366–367 invites AE to Göttingen, 56, 57 on lattice theory, 290–291 on Miller’s repeating Michelson-Morley ex- periment, 464 pianist in quartet with AE, 85 on quantization of non-harmonic oscillations, 291 on quantization of polyatomic molecules, 464 requests KWIP funds for X-ray apparatus, granted, 305 Born-Ehrenberg, Hedwig (1882–1972), 91, 292n, 645 invites AE for visit, 58 Borsig Co., contract on refrigerator, 136n, 789a Bosch, Carl (1874–1940), member of Kuratori- um of Einstein-Spende, 206, 317n, 810n Bose, Devendra, 796a, 797a, 826a on Indian