INDEX
Italic
page
numbers
indicate
references
to
front
matter
or
to
editorial
notes.
Page
num-
bers followed
by
a
lowercase
“n”
indicate
footnotes
to
Einstein documents.
References
are
collected under the
appropriate
English
heading.
“Albert
Einstein”
is
abbreviated
to
“AE”
in
subentries.
Correspondence
cited in
editorial material
is
listed
alphabetically
by
correspondent/recipient following
the words
“correspondence
with”
(referring
to
a
group
of letters
exchanged
with
AE)
and/or “letter from/to”
(referring
to
specific letters).
A
separate
index of citations follows the main index.
Aberration, 26-27, 44, 45, 55, 67n, 392, 457,
526,
536n
Acceleration, 466, 517-518;
of fluid ele-
ments, 400;
and
gravitation, 8,
280, 282n,
287-288, 292, 405, 469-472, 474-475,
529-530, 531,
537n
(see
also
Principle
of
equivalence); proper,
407,
408n
Acceleration transformation.
See
Transfor-
mation,
acceleration
Action
at
a
distance,
123,
467
Addition of
velocities, law
of,
53-55,
449-
452; in
classical
mechanics, 434-435,
444, 450
Adiabatic
processes,
36-37, 104-105,
326-
327
Adler,
Kathia: letter from
AE,
282n
Airfoil,
401,
402n
Ampère,
André-Marie
(1775-1836):
work
on
magnetism, 145, 151, 153, 173, 191
Ampère’s hypothesis.
See
Ampère’s
molecu-
lar
currents
Ampère’s
molecular
currents, 39n;
AE
and
Wander
de
Haas
on,
145-149,
151-169,
173-188,
195, 231;
AE
on,
145, 148-149,
191-192,
271-275
Ampère’s
molecular
currents,
AE’s
experi-
ments
on:
experimental setup,
147-148,
155-159,
175-176,
179-180,
271-272;
measurements, 159-165, 165-169,
180-
184,
184-188, 271, 272-274;
phase,
rela-
tive,
of
torque
and
angular displacement,
163-164,
170n,
183-184,
189n, 195;
sources
of
error, 148,
159-160,
161-162,
180-182, 271, 272, 273.
See
also Electron
Amsterdam
Academy
of
Sciences,
145, 147,
552n
Angular
momentum:
inner,
192;
law
of
con-
servation
of, 152, 174,
192 (see
also Area
law);
and
magnetic moment:
see
Magnetic
moment, and
angular momentum
Anschütz
& Co.:
AE’s
expert opinions
on
dispute
between
Sperry Gyroscope
Com-
pany
and: 137-143,
143n,
144n
146,
207-
210
Aphelion,
241
Arc-length, 89, 90,
306, 307
Area
law, 238-239, 240
Arrhenius,
Svante
(1859-1927):
theory
of
comet
tails, 360
Astronomy, 22,
242, 243n, 359-361,
372,
475,
493-494,
517, 551
Atomic
theory,
147
Atomism, 282n, 523,
535n
Azimuth-top, 138
Bachem,
Albert
(1888-1957),
514
Bacon,
Francis
(1561-1626),
279
Barnett,
Samuel
(1873-1956), 145, 149,
232n,
271;
AE
and Wander
de
Haas
on
work
of, 149,
231, 276n;
experiment
on
magnetism,
149,
231
Barometer:
vacuum
in
mercury,
519
Bavaria:
war
with
Württemberg,
211