INDEX 421 Klausen, pass in Canton of Uri, 312, 313n Kleiner, Alfred (1849-1916), 267, 316, 328 AE's doctoral dissertation under, 321, 322, 328, 331n, 335n AE submits two papers to, 317n, 318, 326, 334, 335n biography, 383 encouraged AE to publish ideas on relative motion, 225, 328 Kleist, S. von. See von Kleist, S. Klosbachstraße 87, Zurich, AE's address, 229n, 241n, 246, 374 Koch, Alice (1891-1952), daughter of Jacob and Julie Koch, lvii n, 222n, 259 Koch, Caesar (1854-1941), brother of Pauline Einstein: AE sends first scientific essay to, 5, 9-10 biography, 384 from AE, summer 1895, 9-10 Koch, Heinrich, uncle of Pauline Einstein, xlix n Koch, Jacob (1850-1925), brother of Pauline Einstein, lvii n, lxv n, 246n, 313n Koch, Jette (nee Bernheimer) (1825-1886), AE's maternal grandmother, xlix-l, lvi n, 370 Koch, Julie (1857-?), wife of Jacob Koch, 222-223, 227, 231, 232, 259, 374 Koch, Julius (Julius Dörzbacher, Derzbacher) (1816-1895), AE's maternal grandfather, xlix, li, lvii, 380 Koch, Mathilde (nee Levy) (1868-1927), wife of Caesar Koch, 10n, 384 Koch, Paul (b. 1890), son of Caesar and Ma- thilde Koch, 10n Koch, Pauline. See Einstein, Pauline Koch, Raymond (1893-1930), son of Caesar and Mathilde Koch, 10n Koch, Richard (1852-1924), Director of Phys- ics Institute, Technische Hochschule, Stutt- gart, 285n Koch, Robert (1879-?), son of Jacob and Julie Koch, lvii n, 12, 14, 222 Koch, Suzanne (b. 1892), daughter of Caesar and Mathilde Koch, 6n, 10n, 384 Koerner, Guglielmo, 282n Kollros, Louis (1878-1959), 214, 247, 265n Kohlrausch, Friedrich (1840-1910), 236 Kondensator. See Capacitor Königliche Lokalkommission der Haupt- u. Re- sidenzstadt München, from Heinrich Fried- mann, 13 October 1887, lix n Konstruktive Theorien. See Constructive theo- ries Kontaktelektrizität. See Contact electricity Kornprobst, Sebastian, lv n Kraft. See Force Energy Kugelfunktionen. See Spherical functions Kuhn, Arnold, from Gustav Weber, 11 Decem- ber 1900, 240, 240n, 271 Künzler, Gustav, 363 Kurhaus Melchthal, 249n, 250n Lago Maggiore, Italy, 261, 375 Landolt, Hans (1831-1910), 324 Langsdorf, Heinrich (1834-1901), 309 Laplace, Pierre Simon (1749-1827), 201 Latent heat. See Heat, latent Leaving examination, secondary school. See Aargau Kantonsschule, Matura examinations via Lecchi 106, Milan, address of "Einstein & Co.," 276 Leibniz, Gottfried Wilhelm von (1646-1716), 4 Leich, Walter, from AE, 24 April 1950, 60 Leiter. See Electrical conductor Leitungsfähigkeit. See Electrical conductivity Thermal conductivity Lenard, Philipp (1862-1947): AE familiar with experiments on cathode rays by, 224, 304 AE reads paper on photoelectric effect, xl, 236, 304, 305n MM on lecture by, xxxix, 59 Lenzburg, Canton of Aargau, 305n, 308, 311 Levi-Civita, Tullio (1873-1941), from AE, 26 March 1915, lxv n Leyden jar, 168 Licht. See Light Lichtäther. See Ether Liechti, Paul (1843-1903), 41n, 360, 361 "Lieserl" (1902-?), daughter of AE and MM: AE's comments on MM and baby, 304, 305, 306, 324, 332 AE's desire for son, 305, 322 AE expresses desire for child to live with MM and him, xxxviii, 324 AE seeks MM's father's advice on keeping child, 324 MM's desire for daughter, 332 MM does not want to tell friends of pregnancy, 314, 318 MM's pregnancy, xxxvii, 304, 305, 306, 324 birth, xxxv, xxxvi, xxxvii, 305n, 332, 333n, 377, 381 no information found about fate after 1903, xxxviii survives attack of scarlet fever, xxxviii Light (Licht): coefficient of absorption in met- als, 283 direct transformation of kinetic en- ergy into, AE on, 236, 294-295 electromag- netic theory of, 328 identity with electromagnetic radiation, 7 propagation of, 7, 230 velocity of, 7-9, 372. See also Elec- tromagnetic waves Ether Photoelectric ef- fect