Rasetti, Ginestra, 209
   Rasmussen, Knud, 226
   Rath, Ernst vom, 249
   Rathenau, Walther, 174
   RDX, 577
   reactors, see plutonium, production piles for
   Reich Research Council, 402–3, 513
   Reichstag, burning of, 25, 184, 185
   relativity theory, 19, 152, 168–73, 185–86, 260
   republic of science, 31–32, 33–35
   “Resonance in uranium and thorium disintegrations and the phenomena of nuclear fission” (Bohr), 287–88
   Reviews of Modern Physics, 346–47
   rhenium, 230, 349
   Ricerca Scientifica, 209, 211–12, 219, 226
   Richards, T. W., 358
   Riemann, Georg, 61, 76
   Roberts, Richard B., 270–73, 477n
   nuclear fission and, 283–84, 287, 289–90, 295, 315–16, 432
   uranium cross section and, 334–35
   Rome, University of, 207
   Rommel, Erwin, 355
   Röntgen, Wilhelm, 38, 41, 138
   Roosevelt, Eleanor, 526, 614, 636, 657
   Roosevelt, Franklin, 606
   aerial bombing and, 309–10, 471, 476
   atomic bomb project administration and, 378–79, 412, 423
   atomic bomb’s political implications and, 526–27, 531, 534–38, 562, 620–21
   Bohr and, 525–28, 531–32, 534–38, 561–62, 620
   Bush and, 337–38, 365, 377–79, 387–88, 405–6, 412, 551, 605
   Byrnes and, 618–20, 646
   Churchill and, 471, 500, 520–21, 527–28, 530–31, 536–38
   death of, 613–14, 617
   Einstein’s letters to, 303–4, 305–9, 312–14, 331–32, 635–36
   Frankfurter and, 525–27, 531–32, 536–38, 562
   Hopkins and, 337–38
   Iwo Jima and, 594
   military aspects of nuclear fission and, 313–15, 337–38, 377–79, 387–88
   nuclear chain reaction and, 306–9, 313, 317
   Sachs’ meetings with, 313–15
   Snow on, 537
   Stalin and, 536
   Stimson and, 618, 620–21
   Szilard and, 635–36
   Teller and, 335–36
   unconditional surrender and, 521
   Rosbaud, Paul, 236, 253, 256, 261
   Rose, E. L., 465, 467–68
   Rosenberg, Alfred, 183
   Rosenfeld, Léon, 193
   Bohr and, 58–59, 61–62, 76–77, 264–65, 267, 282, 284–86, 289n
   Roskilde, Treaty of (1658), 256
   Rotblat, Joseph, 356
   Rothschild, Baron Edmond de, 86, 87, 90
   Royal Astronomical Society, 169
   Royal Danish Academy of Sciences and Letters, 55
   Royal Society of London, 37, 39, 96, 153, 169, 330
   Rozental, Stefan, 56, 329, 482, 483
   Russell, A. S., 82, 156
   Russell, Bertrand, 123
   Russia, Imperial, 178–79, 180–81, 183
   Rust, Bernhard, 402–3
   Rutherford, Ernest, 23, 80, 83, 109, 144, 191, 198, 202, 216, 221, 231, 292–93, 652
   alpha scattering studied by, 47–51, 66, 130, 135–36, 151–52
   ambitions of, 39
   appearance of, 46, 134–35, 159
   Aston and, 138, 141
   atomic models of, 40–41, 50–51, 62, 71, 77, 83–85
   atomic transformation and, 27–28, 38
   awards and honors of, 37, 45, 159
   Bohr and, 53, 66–69, 71, 75–77, 81, 86, 136, 139, 229–30
   cathode ray experiments of, 39–40
   Chadwick and, 36, 50, 124, 135, 138, 153–58, 162, 164
   Curies and, 42, 44–45, 84
   death of, 228–30
   education of, 36–39
   electron theory and, 40–41, 51
   Eve and, 159, 230
   Geiger and, 46–48, 158
   heritage and childhood of, 36
   Kapitza and, 38, 164
   Marsden and, 38–39, 135–36
   Moseley and, 82
   neutron research of, 153–58, 162, 164
   Oliphant and, 38, 134–35, 229
   Oppenheimer and, 123, 125
   personal life of, 158–59
   radioactivity studied by, 42–46, 135–38, 170
   radio wave research of, 36–38
   refugee rescue efforts of, 193, 195
   Snow on, 38
   Szilard and, 27–28, 204, 215
   Thomson and, 37, 38–39, 49, 123
   Weizmann’s description of, 46–47
   X-ray research of, 39, 43
   Rutherford, Mary Newton, 38, 39, 46, 53, 80, 83, 229
   Rydberg, Johannes, 73
   Rydberg constant, 73, 75, 117–18
   Ryder, Arthur, 445, 662
   Sachs, Alexander, 316, 369–70
   Einstein’s letters and, 305–9, 312–15, 332
   Roosevelt’s meetings with, 313–15
   Sacre du Mesa (Flanders and Gershwin), 566
   Saipan, 554–56, 587–88, 593–94, 597
   San Francisco Chronicle, 273
   Sassoon, Siegfried, 102
   Sato, Naotake, 684–85, 693, 736
   Saturday Evening Post, 680
   Savitch, Pavel, 234–35, 247
   “scattering of α and β particles by matter and the structure of the atom, The” (Rutherford), 50–51
   Schacht, Hjalmar, 22
   Schiller, J. C. F. von, 60
   Schlossberger, S. V., 105
   Schrödinger, Erwin, 128–29, 131
   science, 31–36
   discovery in, 151–52, 218
   growing points in, 34, 38, 115
   racism and, 243
   republican model of, 31–32, 33–35
   in time of war, 90, 95
   voluntary limitation in, 35, 77
   Scientific American, 310
   Scientific Autobiography (Planck), 30
   scientific opinion, 34–35
   scintillation, 48–49, 157–58
   Scott, C. P., 88, 89
   Seaborg, Glenn T., 352
   atomic bomb project administration and, 412–13, 431–32
   Compton and, 381, 389
   Goldschmidt and, 579
   Oppenheimer and, 410–11, 420
   personal life of, 410
   pile studies and, 442
   plutonium research of, 353–55, 366, 381, 389, 407–10, 413–15, 476–77, 547–48, 603, 604
   Seaborg, Helen Griggs, 410
   Sea Lion, Operation, 341–42
   Search, The (Snow), 134
   Second Air Force, U.S., 583–84, 652
   Second Armored Division, U.S., 683
   Segrè, Emilio, 164, 202, 231, 299
   Bohr and, 114, 132
   Bothe and, 159–60
   Fermi and, 205–6, 208, 210–12, 240–42, 352, 395, 434, 444, 567–68, 674
   fishing enjoyed by, 567–68
   Los Alamos and, 451, 460–61, 540, 567–68
   neutron bombardment experiments of, 208, 210–12, 216–19, 349
   Oppenheimer and, 444, 449
   plutonium research of, 353–55, 366
   spontaneous fission and, 540–41, 548
   Trinity and, 652–53, 667, 673, 674
   Senate Committee to Investigate the National Defense Program, 617
   Serber, Robert:
   atomic bomb design and, 416–17, 460–64, 578
   critical-mass calculations of, 461
   Oppenheimer and, 449
   Teller and, 665
   Trinity and, 665, 668–70, 673
   sewer-pipe bomb, 478
   Shakespeare, William, 468
   shaped charges, 544
   Shape of Things to Come, The (Wells), 14, 26
   Sherrod, Robert, 554–55
   shock waves, 671–72, 674
   shock-wave theory, 415
   Short, Walter, C., 390–91
   Shumard, Robert H., 704
   Siegbahn, Karl M. G., 236, 250
   Silverplate, 584
					     					 			br />   Simon, Franz:
   on gaseous-diffusion barriers, 495–96
   isotope-separation experiments of, 339–40, 343, 345, 492
   Sinclair, Upton, 186
   Site X, see Clinton Engineer Works: Oak Ridge
   Site Y, see Los Alamos
   Skidmore, Owings and Merrill, 487
   slug canning, 557
   Smith, Alice Kimball, 502
   Smith, Cyril, 502, 657, 664
   Smith, Frederick, 41
   Smith, Herbert, 120–21, 122, 124, 445
   Smith, Holland, 554
   Smith, Walter Bedell, 629
   Smuts, Jan Christian, 88, 90, 99–100
   Snow, C. P., 134, 165, 319
   on Bohr, 53–54, 57, 125, 529
   on Churchill, 338, 529, 531, 537
   on Einstein, 168–69, 304–5
   on Roosevelt, 537
   on Rutherford, 38
   on Szilard, 21
   on Tube Alloy discussions, 537
   Society for Ethical Culture, 119
   Soddy, Frederick, radioactivity studied by, 42–44, 67, 170
   Solomons campaign, 518–20
   Solvay Conferences (1927, 1933), 132–33, 198–200
   Somervell, Brehon, 424–28
   Somme, Battle of the (1916), 101
   Sommerfeld, Arnold, 189, 364
   Bohr and, 113–14, 115
   Sörlie, Rölf, 515–17
   Soviet Union:
   Allied strategic bombing and, 469–70
   arms race and, 527–31, 534, 536–38
   German Army atrocities against, 475
   German Army counterattacked by, 401–2, 469
   German invasion of, 367, 501
   international control of atomic bomb and, 644–46
   Japanese surrender and, 684–86, 691, 692–93, 736
   nuclear research in, 327, 500–502, 529, 638, 649–50
   political implications of atomic bomb and, 527–31, 534, 536–38, 562, 620–21, 624–25, 633–34, 637–38, 642, 644
   postwar aggression of, 645–46
   Truman and, 621–23
   uranium ore available to, 638, 649
   Spaatz, Carl, 691, 736, 744
   Hiroshima target suggested by, 696, 699
   Spanish Civil War, 241, 446
   Speaking Frankly (Byrnes), 683
   Special Engineering Detachment (SED) GI’s, 658
   spectroscopy, 72–75, 82–83
   Spedding, Frank, 435, 439
   Speer, Albert, 402–5, 418
   Spitzer, Abe, 700–701
   Stages on Life’s Way (Kierkegaard), 60, 63
   Stalin, Joseph, 370, 469–70
   atomic bombing of Hiroshima and, 736
   Byrnes and, 646, 690, 692
   Harriman and, 621
   Japanese surrender and, 692
   Poland and, 622–24
   Potsdam Conference and, 682, 689–91
   Roosevelt and, 536
   Trinity and, 690
   Truman and, 622–24, 625, 656, 685, 689–91
   Stalingrad, 482
   Standardized Casualty Rate, 734
   Stassfurt mission, 607–9, 612–13
   State Defense Committee, Soviet, 501
   State Department, U.S., 437, 620, 630
   Stern, Otto, 147, 173, 190–91, 208
   Stettinius, Edward R., Jr., 628
   Stiborik, Joseph, 704, 706, 708
   Stimson, Henry L., 361, 378, 412, 525
   background of, 617–18
   Bohr and, 651
   Byrnes and, 682–83, 686–87, 742
   Eisenhower and, 688
   Groves and, 640–41
   Harrison and, 685–87, 688–89
   Interim Committee and, 628–30, 633–34, 642–44, 647–50
   international control of atomic bomb and, 645
   Japanese program of, 683–85, 689, 693, 742
   George Marshall and, 618, 640–41, 642
   Oppenheimer and, 643, 645
   political implications of atomic bomb and, 561–62, 620–21, 624–26, 633–34, 642–43
   Potsdam Conference and, 682–83
   Roosevelt and, 618, 620–21
   on targeting of atomic bomb, 640–41, 648–50, 686, 689–91
   Trinity and, 685–87, 688
   Truman and, 617–18, 622, 623–26, 628–29, 639–40, 650–51, 682–84, 686–87, 690–91, 742
   use of atomic bomb approved by, 691, 693, 696, 697, 745
   warning of atomic attack and, 639–40, 647–50, 682, 684
   Stolper, Gustav, 304, 305
   Stone & Webster, 412, 422–23, 429, 431–32, 487, 489–91
   Strassmann, Fritz, 784
   actinium-lanthanum experiment of, 253–55
   Hahn’s collaboration with, 234, 247–48, 251–55, 257–58, 262
   uranium research of, 234, 247–48, 251–55, 257–58, 261–62
   Strategic Air Force, U.S., 691, 744
   Strategic Bombing Survey, U.S., 596, 599
   Strauss, Alice Hanauer, 238
   Strauss, Lewis Lichtenstein:
   background of, 237–40
   Szilard and, 237–40, 267–68, 281, 287, 289, 292, 301, 507
   Strauss, Rosa Lichtenstein, 237–38
   Streicher, Julius, 25
   strontium, 511
   Strutt, John William, Lord Rayleigh, 62–63, 228
   “Studies in the electron theory of metals” (Bohr), 64
   Styer, Wilhelm, D., 425, 427–28
   sub-atomic energy, 140–41
   sub-critical uranium burner, 343
   submarines, nuclear power for, 549–51
   Sudetenland, 244–46
   “Super-explosive U235” (Hagiwara), 375
   Supreme Court, U.S., 619
   surge generator, 238–40, 281
   Suzuki, Kantaro, 693
   Suzuki, Tatsusaburoõ, 327, 346
   Swann, William F. G., 144
   Sweden, 256, 483–84
   Swedish Academy of Sciences, Physical Institute of, 236, 250
   Sweeney, Charles W., 739–40
   Szilard, Béla, 239
   Szilard, Gertrud Weiss, 236–37, 507, 735
   Szilard, Leo, 44, 264, 315
   administration of atomic bomb project and, 412, 413, 422–24
   appearance of, 13, 236–37, 507
   on arms race, 635–36, 637
   atomic bomb’s use protested by, 697
   on atomic energy, 25, 27–28, 213–14, 223, 268
   Berlin described by, 18–19
   biology as interest of, 26
   Bush and, 413, 505–6, 508–9
   Byrnes and, 636–38, 649
   Compton and, 399–400, 423–24, 503–6, 635–36
   on cyclotron, 21, 23
   Der Bund and, 21–23, 292
   eccentricities of, 506–7
   education of, 14–20, 109
   ego of, 21, 303
   Einstein and, 14, 16, 20–21, 169, 174, 303–4, 305–8, 312–14, 331–32, 635–36
   Fermi and, 280–81, 290–91, 298–303, 317, 331, 334, 338, 344–45, 374, 394–95, 442, 504–5, 508, 509
   government surveillance of, 506–7, 638
   Groves’s disagreements with, 502–3, 506, 508, 649
   Hahn and, 45
   heritage of, 13, 14, 27, 106–8
   Hiroshima atomic bombing and, 735
   on home refrigeration, 20–21, 174
   Jewish emigration and, 26, 192–95
   Laue and, 17, 19–20
   Lavender and, 506, 507–8
   Lindemann and, 222–25, 236, 246
   Los Alamos described by, 451
   Mandl and, 24–25, 26
   Manhattan Project challenged by, 502–10
   Meitner and, 25, 187
   military aspects of nuclear fission and, 303–9, 312–17, 331, 338, 345, 346, 350, 369–70, 372
   on neutrons, 28, 300
   on nuclear chain reactions, 28, 203–4, 214–16, 221–25, 246–47, 254, 279–82, 289, 291–92, 298–308, 315–17, 331, 334, 338, 344, 394, 397, 442
   nuclear 
					     					 			 fission and, 267–68, 271, 287
   nuclear physics as interest of, 23, 24–26
   Oppenheimer and, 641–42
   patents of, 14, 20–21, 223–25, 239, 254, 271, 504–8
   pile studies and, 397, 411, 439, 442, 503
   Planck and, 16–17, 70
   Polanyi and, 25, 31, 70, 221–22, 224, 237
   political implications of atomic bomb and, 635–38, 641–42, 649
   politics as interest of, 14, 21–22, 24–25, 108, 508–9
   Rabi and, 279–80
   radioactivity research of, 44, 203–4, 238
   Roosevelt and, 635–36
   Rutherford and, 27–28, 204, 215
   Snow on, 21
   Strauss and, 237–40, 267–68, 281, 287, 289, 292, 301, 507
   Teller and, 281, 289–92, 295, 303, 306–7, 697
   on thermodynamic theories, 19–20
   Truman and, 636, 649
   Turner and, 346, 350
   utopian plans of, 21–22, 24–25, 107
   Weizmann and, 193, 221–22
   Wells and, 14, 21, 24, 26, 107
   Wigner and, 16, 18–19, 187, 266, 281–82, 292–93, 303–4, 312–13, 498, 507, 509
   X-ray crystallography and, 20
   Zinn and, 288–89, 291
   Szilard-Chalmers effect, 215
   Taft, William Howard, 525, 618
   Takeuchi, Tadashi, 458
   tamper, 214, 461, 545
   tanks, 103
   Target Committee, 626–28, 643
   agenda of, 630–31
   B-29 crew training reviewed by, 638–39
   targets selected by, 631–32
   Tatlock, Jean, 446, 571
   Taylor, Geoffrey, 522, 545
   Taylor instabilities, 545
   tear gas, 90–92, 94–95
   Technische Hochschule, 16, 87, 109
   Teheran Conference (1943), 536
   Teller, Edward, 127, 185, 428
   appearance of, 538
   atomic bomb design and, 416–20, 540
   atomic bomb’s use supported by, 697
   background of, 106–9, 111–13, 126, 179, 189, 415
   Bethe and, 374, 415–19, 453, 524, 538–40, 543, 545–46
   Bohr and, 500
   Conant and, 563
   critical-mass calculations of, 335, 540
   emigration of, 189–90, 193–94
   Fermi and, 231–32, 374–75, 565
   Gamow and, 225, 269
   on heavy-water piles, 524
   hydrogen bomb and, 374–75, 416–18, 539–40, 543, 546, 563
   implosion studies and, 540, 545–46
   Los Alamos and, 460, 538–40, 543, 545–46, 565, 570
   on morality of weapons work, 335–36
   Neumann and, 480
   nuclear chain reactions and, 289–301, 315–17
   Oppenheimer and, 415, 417, 444, 449, 453–54, 511–12, 538–40, 546, 552, 570
   plutonium extraction and, 410
   radioactive warfare and, 510
   Roosevelt and, 335–36
   Serber and, 665
   Szilard and, 281, 289–92, 295, 303, 306–7, 697
   thermonuclear reactions and, 418–20