Kelvin, Lord, see Thomson, William
   Kennedy, Joseph W., 353, 355, 674
   Kierkegaard, Søren, 60–61, 63–64, 75, 76–77, 131
   Kimmel, Husband E., 390–92
   King Joseph Institute of Technology, 15
   Kirk, Paul, 409
   Kirkpatrick, Elmer, 679–80, 701
   Kistiakowsky, George B.:
   Alvarez and, 574–75
   background of, 376–77
   Compton and, 382, 387
   Conant and, 358, 376–77, 542, 661–62
   Groves and, 542
   high-explosive castings of, 577, 656–57
   implosion studies and, 542, 545, 547, 549, 574–77, 612
   lens formulation and, 545, 549, 655, 656–57
   Los Alamos and, 542–43, 545, 547, 565–67
   military aspects of nuclear fission and, 377, 382, 387
   Neddermeyer and, 542–43, 545, 547
   Neumann and, 542
   Oppenheimer and, 542, 547, 576, 661–62, 675
   Parsons and, 542–43, 547, 549, 576
   Trinity and, 655, 656–63, 667, 669, 675
   Kitchener, Horatio Herbert, Lord, 96
   Klaproth, Martin H., 118, 355
   Klein, Oskar, 54, 57–58, 131
   Knuth, Gus, 433
   Kobe, firebombing of, 592, 600
   Koestler, Arthur, 110–11
   Kohman, Truman, 413
   Kokura Arsenal:
   as atomic bomb target, 628, 632, 689, 691, 700, 739
   attempted atomic bomb run over, 740
   scheduling atomic bombing of, 737–38
   Konopinski, Emil, 416–17, 420
   Kopp, Father, 716
   Kowarski, Lew, 290, 296, 344–45
   Koyama, Dr., 716
   Kristallnacht, 249
   Kuhnwald, Gottfried, 192–93, 195–96
   Kumagaya, 745
   Kun, Béla, 15–16, 110
   Kungälv, 256–57
   Kurchatov, Igor, 327, 500–502
   Kuribayashi, Tadamichi, 594, 595
   Kurti, Nicholas, 340
   Kyoto, as atomic bomb target, 632, 639, 640–41, 647, 686
   Kyoto, University of, 375, 459
   Kyushu, 641, 713
   Lady Godiva, 610
   Lamb, Willis E., Jr., 267
   Landsdale, John, Jr., 508, 583–84
   Stassfurt mission of, 607–9, 612–13
   lanthanum, 235, 247
   Laplace, Pierre Simon de, 130
   Larsen, Alf, 513–17
   Lateran Councils (1179, 1215), 177
   Laue, Max von, 16, 189, 236, 250, 329, 609, 735
   Houtermans and, 370–71
   Szilard and, 17, 19–20
   on X-ray crystallography, 17, 19, 82
   Lauritsen, Charles C., 144, 368, 446
   Lavender, Robert A., 506, 507–8
   Law for the Restoration of the Career Civil Service (1933), 26, 185, 188, 192
   Lawrence, Ernest O., 21, 351–52, 776–77
   arms race and, 643–44
   background of, 143–45
   Bush’s conflicts with, 361–62, 373, 378, 387
   calutrons of, see racetracks
   Compton and, 374–76, 381–83, 388, 399–400
   cyclotrons and particle acceleration studied by, 145–48, 165, 240, 259, 349, 360, 487
   electromagnetic isotope separation and, 360, 373, 388, 405–6, 448, 487–91, 500, 600, 602
   Groves and, 448, 491
   Interim Committee and, 630, 643, 648, 696
   military aspects of nuclear fission and, 360–62, 366–67, 373–75, 377–78, 381–83
   Oliphant and, 360, 373, 377
   Oppenheimer and, 143, 146–47, 149, 151, 381–82, 444–47
   plutonium’s fissibility and, 366–68, 388
   political implications of atomic bomb and, 643
   Trinity and, 656, 668–69, 672
   Lawrence, John, 151, 240
   Lawrence, William L., 706
   Lee, Robert E., 521
   LeMay, Curtis E., 589
   Arnold and, 597, 599, 687
   background of, 586–87
   bombing strategy of, 586, 587, 595–96, 600, 627, 639–40, 649, 679–80, 687
   Iwo Jima and, 593–94, 595
   Little Boy’s combat delivery and, 701
   Norstad and, 591–92, 597, 600
   Tibbets and, 680
   Tokyo bombings and, 595–98, 599–600
   Lenard, Philipp, 47, 170
   Lenin, V. I., 15
   Lenz, M., 239
   Leucippus, 29
   Lewis, Isaac, 101
   Lewis, Robert, 586, 700
   Enola Gay and, 703–4
   with Little Boy strike crew, 705–8, 710–11
   Lewis, W. K., 376, 465, 476, 553
   Libby, Leona Woods Marshall, 422–23, 425–26
   Herbert Anderson and, 428, 437
   Fermi and, 231–32, 363, 428, 436, 499, 568
   Hanford piles and, 499, 556–57, 604
   Los Alamos and, 568
   plutonium described by, 659–60
   Liebow, Averill A., 714–15, 719–30, 732, 734
   Liebowitz, Benjamin, 194, 289
   Life, 698–99
   Lifton, Robert J., 715, 717, 720, 723, 728, 730, 732–33
   light, characteristics of, 70–71, 128, 363–64
   Lindbergh, Charles, 307, 312, 330
   Lindemann, Frederick A. (Lord Cherwell), 339, 359, 455
   Bohr and, 484, 529–30, 538
   Churchill and, 223, 246, 320, 371–72, 469–70, 529–30, 537–38
   Los Alamos visited by, 546
   military aspects of nuclear fission and, 371–72
   on strategic vs. area bombing, 469–71, 586
   Szilard and, 222–25, 236, 246
   Little Boy (uranium gun), 541, 549, 561, 590
   assembling of, 706, 708
   blast wave from, 716, 718–19
   critical mass for, 601, 610–11, 614, 631, 651
   description of, 701–2
   explosive yield of, 631, 643, 709, 711
   firestorm caused by, 719–27
   fusing components of, 701–3
   heat generated by, 714–15, 717–19
   jettisoning of, 631
   light flash of, 713–14, 716
   Pacific shipping arrangements for, 655, 662, 678, 692, 693
   Parsons and, 477–78, 549, 576–78
   readiness of, 689, 691, 699
   Little Boy, combat delivery of:
   casualties produced by, 714–34
   crews briefed for, 700–710
   to Hiroshima, 710–11, 713–17
   Lewis’ narration of, 706–8, 710
   loading for, 701, 703
   results of, 713–37
   strike crew for, 704–11
   weather as factor in, 699–700, 701, 704–5, 708
   Livingston, M. Stanley, 148
   Lloyd George, David:
   Smuts and, 99–100
   Weizmann and, 88–90
   Locker-Lampson, Oliver S., 195
   Lodge, Sir Oliver, 84
   London, strategic bombing of, 99–100, 341–43, 470
   Loomis, Alfred, 351, 361, 367
   Los Alamos, 121, 449
   British mission to, 523–24, 527, 543–44, 546
   Chemistry and Metallurgy Division of, 569–70
   construction of, 451–52, 459–60, 476
   Critical Assemblies group of, 610
   Cyclotron Program of, 566
   Delivery Group of, 582, 585
   Experimental Physics Division of, 549
   fires at, 569–70
   Fuller Lodge of, 459, 565, 569
   Fuze Development group of, 565
   gambling at, 566
   G Division of, 573–74, 577, 580, 610
   Governing Board of, 540, 541, 543–44
   gun research at, 541–42
   history of, 450–51
   hobbies enjoyed at, 567–68
   hydrogen bomb development at, 466, 476, 539–40, 543–44, 546, 56 
					     					 			3
   as instant community, 453
   laboratory work planning at, 465–68, 538–40
   Ordnance Division of, 477, 549, 573, 576–77
   plutonium crisis at, 548, 553
   prostitution at, 566–67
   radiation poisoning at, 569
   review committee of, 476
   scientific staff of, 454, 460, 464–66, 476, 479–80, 538–39, 549, 561–73, 578, 580, 610–12, 652
   security arrangements for, 453–55, 460, 464, 468, 566–67, 570–71
   Serber’s orientation lectures at, 460–65
   social life at, 565–67
   T Building of, 460
   Tech Area of, 460, 479, 565, 569, 613
   Theoretical Physics Division of, 460, 538–40, 543–46, 566, 570
   Town Council of, 566–67
   X Division of, 576–77
   Los Alamos Primer, 460, 462–63, 466, 578
   Lo Sordo, Antonino, 209, 241
   Louis I, King of France and Germany, 177
   Lovett, Robert, 650
   Lübeck, 470–71
   Ludwig, Carl, 54–55
   Luftwaffe, 342
   MacArthur, Douglas, 390, 407, 554, 588, 641, 686–87
   McDaniel, Boyce, 660
   McDonald Ranch, David, 653, 659, 664
   McGill University, 42, 45, 47, 80
   machine guns, 101–2
   McKibben, Joseph, 665, 667, 669, 672
   McMillan, Edwin M., 353, 355
   gun research of, 541
   implosion experimentation and, 478–79
   Los Alamos and, 450, 460, 541, 567
   Neddermeyer and, 478–79
   nuclear fission experiments of, 348–50, 351
   Trinity and, 668, 674
   McMillan, Elsie, 567, 657
   Madach, Imre, 107–8
   “magnetic detector of electrical waves and some of its applications, A” (Rutherford), 37
   Mahabharata, 662–63
   Manchester, University of, 31, 46–48, 66–69, 82, 86, 155–56
   Manchester, William, 519, 594, 595
   Manchester Guardian, 88, 89
   Manchester Literary and Philosophical Society, 50
   Mandl, Otto, 24–25, 26
   Manhattan Project, 449, 451, 584
   Abelson and, 551–52
   compartmentalization of, 502–3, 508
   Goldschmidt’s description of, 605
   radioactive warfare and, 510–11
   Szilard’s challenge to, 502–10
   Truman and, 614, 617–18, 624
   Manifesto della Razza (1938), 242
   Manley, John H., 449
   Los Alamos and, 451–53, 459, 465
   Neddermeyer and, 467
   Marconi, Guglielmo, 37
   Marianas campaign, 554
   Marine Corps, U.S., 554–56, 594–95
   Marsden, Ernest, 67
   alpha scattering studied by, 48–50, 51n, 135–36
   Rutherford and, 38–39, 135–36
   Marshack, Jacob, 192
   Marshall, George C., 378, 390, 428, 620
   atomic bomb’s international control and, 646
   atomic bomb’s use supported by, 687–88, 691
   Bohr and, 535
   Groves and, 560, 576, 605, 612–13, 640, 686–87, 743
   Interim Committee and, 642, 646–47
   Japanese surrender sought by, 736–37
   proposed Japanese invasion and, 641
   radioactive warfare and, 511, 512–13
   Stimson and, 618, 640–41, 642
   Truman and, 622
   Marshall, James C., 412, 424, 490
   Marshall, John:
   Fermi and, 428, 499, 557–58
   Hanford piles and, 557–58
   pile studies and, 401, 428–29, 434, 436–37
   Martinez, Maria, 569
   Marx, Karl, 446
   Masefield, John, 97, 103
   Massachusetts Institute of Technology, Radiation Laboratory at, 415–16, 452
   mass-spectrograph, 139–41, 215–16, 487, 494, 602 U235 and, 285, 297–98, 313
   matter, theory of, 40
   Matthias, Franklin T., 604
   MAUD Committee, 329–31, 340–41, 350, 362, 367, 371, 373–74, 501, 652
   atomic bomb report of, 368–69, 377, 382, 386, 605
   Maxim, Hiram Stevens, 101
   Maxwell, James Clerk, 30, 39, 50, 65
   “mechanism of nuclear fission, The” (Bohr and Wheeler), 311, 319, 323
   Meiji Emperor of Japan, 712
   Mein Kampf (Hitler), 23, 175–76, 183, 184
   Meitner, Lise, 54, 200, 208, 228
   background of, 233–36
   Chadwick and, 159, 233
   Einstein and, 80, 259–60
   emigration of, 235–36, 250
   Fischer and, 80
   Frisch and, 233–34, 257–65, 286, 318, 612
   Hahn and, 23, 45, 79–81, 187, 191, 220–21, 232, 234, 236, 250–51, 253–54, 256, 257, 260–62, 612
   Maud Committee and, 340–41
   on nuclear fission, 258–65, 269–71, 273, 286
   Planck and, 79, 80, 250
   Szilard and, 25, 187
   uranium research of, 232, 234–35, 248, 258–64
   meltdown, 432–33
   Melvill, Thomas, 72
   “Memorandum on the properties of a radioactive ‘super-bomb’ ” (Frisch and Peierls), 324–25
   Mendelssohn, Kurt, 197
   Menuhin, Yehudi, 17
   Meyer, R.C., 272–73, 289–90
   Michigan, University of, 266
   Miës van der Rohe, Ludwig, 17
   Military Policy Committee, U.S., 424, 449, 477, 491, 500, 553, 626
   Millikan, Helen, 428
   Millikan, Robert A., 97, 366, 428
   Minnesota, University of, 332
   Mishima, Yukio, 743–44, 746
   Mitchell, Billy, 591
   Miyuki Bridge, 724
   Møller, Poul Martin, 58–61, 131
   Molotov, Vyacheslav, 199, 622–23, 736
   Monod, Jacques, 13
   Monsanto Chemical Company, 579
   Moon, P. B., 195, 329–30, 339, 522
   Mõri, Terumoto, 712
   Morrison, Philip, 165, 274–75, 445
   on Tinian, 681
   Trinity and, 659, 668–69, 673, 678, 710
   Moseley, Henry, Jr. (Harry), 123, 153, 156
   Bohr and, 82–85
   military service of, 86, 96–97
   X-ray spectra studied by, 81–84
   Moseley, Henry, Sr. (father), 82
   Most Secret Operation Order No. 173, 471–72
   Mount Wilson Observatory, 186
   Munich, University of, 30, 129
   Munich crisis (1938), 244–46
   Muroc Army Air Force Base, Calif., 582
   Murphree, Eger V., 388, 553
   Musashi aircraft engine factory, 588–89
   Musée d’Histoire Naturelle, 41
   Musil, Robert, 110
   Mussolini, Benito, 128, 208, 240–42, 245–46, 482
   mustard gas, 94, 100
   Mutsuhito, Meiji Emperor of Japan, 712
   Nabokov, Vladimir, 17
   Nagaoka, Hantaro, 50–51, 458
   Nagasaki:
   atomic bombing of, 740
   atomic bomb leaflets dropped on, 737
   as atomic bomb target, 628, 689, 691, 700, 739–40
   casualties in, 740–42
   devastation of, 742
   map of, 741
   Tibbet’s role in atomic bombing of, 737–39
   torpedo factory in, 393, 739
   Nagasaki bomb, see Fat Man
   Nagoya, fire raids on, 591, 600
   Napoleon I, Emperor of France, 313, 401–2
   National Academy of Sciences (NAS), 362–64, 368–69, 373
   atomic bomb reports of, 365, 376, 382, 386–87, 405
   National Advisory Committee for Aeronautics, 365
   National Bureau of Standards, U.S., 314, 338, 466
   National Defense Research Council (NDRC), 336–38, 
					     					 			 351, 357, 359–61, 365–69, 372, 374, 376–78, 394, 396, 505, 542
   Nature, 23, 164, 202, 208–9, 213, 216, 221, 227, 230–31, 262, 264–66, 269, 273, 296, 405
   Naturwissenschaften, 236, 248, 253–54, 260, 266, 270
   Naval Boiler and Turbine Laboratory, U.S., 551
   Naval Research Laboratory (NRL), U.S., 380, 507, 549–51
   Naval Technological Research Institute, Japanese, 457–58
   Navy, U.S., 594–95, 597–98, 737
   Navy Bureau of Ordnance, U.S., 552
   Navy Department, U.S., 294–95, 300–301, 303, 390
   Nazi Party, 175, 482–83
   Neddermeyer, Seth:
   Alvarez and, 547
   implosion experiments of, 478–80, 540, 541–45, 547, 573
   Kistiakowsky and, 542–43, 545, 547
   lens formulation and, 545
   Los Alamos and, 478–80, 540, 542–45, 547
   McMillan and, 478–79
   Manley and, 467
   Neumann and, 479–80, 540
   Oppenheimer and, 467, 547
   ordnance and, 466–67, 478–80
   Parsons and, 478, 479, 542–43
   Nelson, Donald, 427
   Nelson, Richard R., 704
   Nelson College, 36
   neptunium, 350, 351, 353–54
   Nernst, Walther, 222
   Netherlands, 341
   Neumann, John von:
   background of, 105, 106–9, 111–13, 126
   Bethe and, 575
   emigration of, 187, 196
   implosion theory and, 479–80, 540, 541–42, 544–45
   Kistiakowsky and, 542
   lens formulations by, 545, 575–76
   Los Alamos and, 479–80, 540, 541, 544–45, 566
   Neddermeyer and, 479–80, 540
   Target Committee and, 626, 628
   Teller and, 480
   Ulam and, 107, 112–13, 543–44
   Wigner and, 108–9, 196
   Neumann, Max von, 105, 111–12
   neutrinos, 233
   “Neutron capture and nuclear constitution” (Bohr), 227–28
   neutron multiplication experiments, 343–44
   “Neutron production and absorption in uranium” (Anderson, Fermi, and Szilard), 300
   neutrons, 24, 27
   Chadwick’s research on, 23, 153–58, 160–67, 578, 668
   nuclear bombardment with, 208–13, 216–20, 226–27, 231, 349
   nuclear capture of, 226–27, 282–83, 286–87
   Rutherford’s research on, 153–58, 162, 164
   Szilard on, 28, 300
   uranium’s release of, 280–81, 288–93, 298, 300, 343–44
   New Deal, 525, 619
   Newton, Isaac, 29–30, 39, 65, 168, 230
   New York Times, 273, 297, 706
   New Zealand, University of, 36
   Next of Kin, 429
   Nicholas I, Czar of Russia, 179
   Nichols, Kenneth D., 429, 490, 548, 610
   Groves and, 426–27
   Nicholson, J. W., 72
   Nielsen, J. Rud, 64
   Nier, Alfred O. C., 285, 297–98, 347
   gaseous-diffusion plants and, 494, 602