INDEX 1071
Coordinates:
adapted,
40,
67-69,
84n, 97n, 102,
104,
107, 109, 113, 161, 207,
233;
dependent,
41n; isotropic, 523n;
light
beam,
586-587;
spatial
and
temporal
character
of,
348
Copernican
frame. See Frame
Coriolis
field, 325n, 349,
501
Cornelius,
Johannes (1863-1947),
543,
888
Correspondence principle,
784n
Cosmological
constant:
352, 688, 878; as
con-
stant
of
integration,
836;
as
constant
of
nature, 414, 416, 553, 557, 860;
empirical
determination
of, 433, 434; introduction
of,
reasons
for,
406, 860;
and
parallel postulate,
691
Cosmological
model. See Einstein’s
cosmologi-
cal
model;
De Sitter’s
cosmological
model
Cosmological
term;
352, 497, 498, 574, 612,
698;
introduction
of,
reasons
for, 556, 700n;
in De Sitter’s
cosmological
model,
435;
and
relativistic
theory
of
gravitation,
433
Council
of
People’s
Deputies.
See
Germany
Covariance. See
Entwurf
theory;
Gravitational
field
equations;
Gravitation, relativistic
the-
ory
of;
Relativity
Crown
Council, German,
524n
Crystal
structure, 528n,
576
Crystallography,
497
Curie,
Marie (1867-1934),
7
Curie-Langevin law,
92n
Curtius,
Friedrich (1851-1933):
634;
letter
to
Weisbach, Werner,
342n
Curtius,
Theodor
(1857-1928),
636n
Curvature, geometric
interpretations
of, 712,
733,
738
Cwiklinski,
Ludwig,
265n
Dällenbach,
Walter
(1892-1990):
372, 380,
400,
402n, 404, 406, 410, 444, 477, 721n, 743n,
815, 837n, 853;
advice
on
research
strategy,
136;
character
and abilities
of, 366;
disserta-
tion of, 391,
847;
generally
covariant electro-
dynamics,
works
on, 350n,
796-801,
803;
Habilitation
of,
851; letter
to Gnehm, Robert,
852n;
Riemann
tensor,
on
contraction
of,
348;
in Swiss
army,
137n
Darwin, Charles,
918
De
Donder,
Théophile
(1872-1957):
536n; AE,
energy-momentum
pseudotensor,
discussion
with
on, 303, 306,
307-308,
313, 315, 319,
327;
equivalence
of
general relativity
with
theory
of
gravitation,
discussion with
on,
303-304,
306,
307-308, 309-310, 312-313,
315,
318-319, 327-328,
575;
theory
of
gravitation
of,
paper on,
575,
609
De Sitter
clock,
804
De
Sitter's
cosmological
model:
260n, 351,
414-
416,
420n,
421-422,
429n, 466, 473,
501,
613,
653n,
690n,
712-713, 725n,
734n, 765n,
778;
and Einstein’s
cosmological
model,
353-355;
homogeneous, 485; inhomoge-
neous, 467, 476;
line element
in, 496; mass
horizon
in, 355; nonstatic, 352, 353;
pre-
ferred center
in, 353;
from Schwarzschild
solution, interior, 806;
singularities
in, 352,
354-356,
422,
427-428,
435,
496,
613,
712-
713, 720, 779,
805-806,
809;
time-indepen-
dent metric
in, 485; world
lines
in,
733.
See
also
Sitter,
Willem
de
Debye,
Peter (1884-1966):
145,
425,
851, 853n,
863n;
constitution
of
atom,
lecture of
on,
820;
Kaiser
Wilhelm Institute
of
Physics,
contract
of
with,
821-823,
830, 866, 876;
letter to
Miller,
Oskar
von, 823n;
letter to Sommer-
feld, Arnold, 638n;
Physikalische
Gesell-
schaft
of
Zurich,
lectures
to, 915;
ring
atom
of, 562n;
University
of
Zurich,
invited
to,
148;
weight
function,
parameter-dependent,
of, 24, 26;
Wolfskehl lectures
of, 27n;
X-ray
spectra, paper
of
on,
561
Delbruck-Dernburg
petition:
174n, 175;
signa-
tories
of, 146n,
150n,
157n, 176n, 364n,
637n,
759n
Delcassé, Théophile
(1852-1923),
173
Democratic
Party,
German,
manifesto
of,
948
Descartes, René,
851
Dessoir,
Max (1867-1957),
854-855
Deutsche
Physikalische
Gesellschaft:
458, 672n,
818, 884;
advisory
committee
of, 760n;
board
of
directors
of,
31;
chairmanship
of, 32, 759,
764, 781;
discrimination
in, 32;
lectures
to
by
Ehrenhaft, Felix, 459n,
by
Franck, James,
and
Hertz, Gustav, 29n,
by
Planck, Max,
193n
217n, by
Rubens,
Heinrich, 212; history
of, 33n; letter
of
Wien, Wilhelm,
to
Planck,
Max, on, 31;
revision
of
statutes
of,
31-35;
unity
of,
32. See
also
Planck
celebration;
Einstein,
Albert: Science: Lectures
Deutsche
Vaterlandspartei,
629
Deutsche Versuchsanstalt für
Luftfahrt,
577n