Seelig, Carl, 35, 516
segregation, racial, 445, 505
Seidel, Toscha, 426
separability principle, 329–30, 449–50, 453, 454, 461,
Shadowitz, Albert, 530
Shakespeare, William, 423
Shankland, Robert, 116–17
Shaw, George Bernard, 279, 389
Siemens, Werner von, 32
Silberstein, Ludwig, 261, 262
Simon, Richard, 465
simultaneous events in (synchronicity), 83–84, 123–27, 129, 131, 134–35, 333, 346, 511, 548, 581
Sinclair, Upton, 373–74, 377
singularities, 250–52
Sitter, Willem de, 252, 256, 580
skepticism, 67–72, 78–79, 100, 113, 125, 164, 169, 284, 333–34, 350, 460–61
Smith, Howard K., 519
Smolin, Lee, 549–50
Smyth, Henry DeWolf, 485
Snow, C. P., 21–22, 268–69, 325–26
Snyder, Hartland, 251
Social Democratic Party, 38–39, 150, 151, 159, 239–42
socialism, 4, 38–39, 205, 239–42, 373, 375, 378–81, 399–401, 420, 499, 504–5, 633
Society for Ethical Culture, 38
solar eclipse (1914), 202–5
solar eclipse (1919), 5, 218, 255–62
solar mass, 250
Solovine, Maurice, 79–81, 85, 131, 141, 291, 304, 317, 401, 411, 462, 463, 467, 513–14, 536, 581
Solvay, Ernest, 168
Solvay Conference (1911), 168–71, 178, 321
Solvay Conference (1921), 289–90, 291
Solvay Conference (1927),
Solvay Conference (1930), 348–49, 450, 452, 453, 514, 538
Sommerfeld, Arnold, 142, 193, 234, 287, 593
Sommerfeld-Einstein quantum law, 234
Sophocles, 81
sound waves, 92, 109–10, 119, 224, 299
Soviet Union, 379–80, 420–21, 446–47, 478, 489–90, 494–503, 504, 524–25, 526, 633
space, spacetime:
absolute,
2
,
37
,
84