1098 INDEX
Prussian State
Library,
513n,
571n
Prussian
voting system,
506n
Ptolemaic frame. See Frame
Public
security
in
Berlin,
965
Purkinje phenomenon,
212
Quadratic
differential
forms,
688
Quanta, magnetic,
22
Quantum hypothesis,
28
Quantum statistics,
957-958
Quantum
theory:
913;
and
electron
theory,
783;
of
Sommerfeld,
Arnold and
Epstein,
Paul,
generalization
of, 442, 454, 457, 464-465,
468,
478
Quidde,
Ludwig
(1858-1941):
memorandum
against
annexations, 174n;
political
stance
of,
947-948
Radiation:
energy-momentum of, localization
of, 401, 464;
fluctuations of,
300, 424n;
grav-
itational,
lack of with
planets, 706;
pressure,
863n;
processes,
directed, 330, 333, 402n,
461-462,
463-464
Radioactive
processes,
528n
Rascher
Verlag,
737
Rathenau,
Emil
(1838-1915),
450
Rathenau,
Walther
(1867-1922): 400n; AE,
on
popular
book
of, 448-150;
book
of,
399, 906;
father,
eulogy
of
to,
450;
open
letter
to
Trutzschler-Falkenstein,
Curt
von,
451
Ration
bread,
composition
of,
515n
Ratnowsky,
Simon (1884-1945):
853;
candidate
as successor
of
Weyl,
Hermann, 814;
electron
mass,
on velocity-dependence
of,
908,
913
Ratnowsky-Kraft,
Jeanne (1882-1966), 815n
Rayleigh scattering
formula,
175,
176n
Rayleigh-Jeans
radiation
law,
445n
Real,
definition
of, 890n;
meaning
of, 890,
896
Reality:
concept
of
Mach, Ernst, 456,
of
Schlick,
Moritz, 456;
of
sense
impressions
and
events,
456-457
Reality,
physical:
of
frame, 228;
of
space,
241;
of
space
and
time, 214, 221;
of
spatio-tempo-
ral
coincidences, 228, 235,
238-239,
245,
493
Rector
and Senate of
University
of
Berlin,
open
letter from
Arons, Leo,
946n
Redshift. See Gravitational redshift
Refraction
exponents,
729
Regener,
Erich (1881-1955), 933
Regional high
command,
interest
of
in
political
activity
of
AE,
342n
Reiche,
Fritz (1883-1969),
43,
382
Reichinstein,
David
(1882-1955),
283
Reichsbank,
756n
Reichstag,
506n
Reissner,
Hans (1874-1967):
AE,
discusses
paper of, 141n;
on charge
distribution
in
Entwurf
theory,
139-141;
elementary charge,
on gravitational binding
forces
in, 142n;
on
metric field from electric
field, 142n,
380n
Reissner-Nordström
solution. See
Reissner,
Hans
Relativistic
standpoint.
See
Mie,
Gustav
Relativity:
896-897
AE,
popular
book
of
on,
401
general, as
German
product,
791n, 829;
parallel
work
on
in
Göttingen
and
Leyden,
425;
principle
of,
according
to
Kretschmann, 650, 652n
generalization
of,
reasons against,
752-753
of
gravitational potential, principle
of, 692,
753
of
inertia. See
Sitter,
Willem
de
of
motion:77;
of
rotation,
69-70,
82,
295-
297,
403,
632, 639;
of
translation,
297
special: principle
of, 5, 71,
81-82,
297, 659;
theory
of:
40,
covariance
in,
70,
348-349,
and
electrodynamics
of
moving
bodies
of
Lorentz,
Hendrik
A., 220, 900,
and
ether,
73, 300,
from
general relativity,
674-675,
685
Religion
of
might.
See
Germany
Rembrandt 761n
Republic,
declared in
Berlin,
964
Reserve
fund, financial,
270,
581,
598
Reuter,
Ernst,
letter to
Schücking,
Walther,
118n,
151n
Reversibility
of
elementary
events,
860
Riecke,
Eduard (1845-1915), 158
Riemann, Bernhard, 690n, 712n,
870-871, 898
Riemann
tensor, 194, 201, 233, 552-553,
556,
583,
611, 644,
656,
670, 712
Riemannian
geometry, 258, 745,
871
Rilke,
Rainer
Maria, 138
Ring
atom,
562n