I N D E X 3 5 3
Ehrenfest, Paul (1880–1933): 10, 29–31, 33,
139, 156, 163, 166, 168, 174, 184, 193, 199,
222, 233, 264, 280, 294, 296, 298, 301; and
Tatiana Ehrenfest, 152, 156; atheism of, 10;
collects literature for his Russian colleagues,
236, 255, 269–270; criticizes AE’s attire,
156; deep sympathy by AE for, 185; de-
pressed, 231; disapproves of Einstein 1920f,
254–255, 270; expedites AE’s appointment at
University of Leyden, 227; feeling of inferi-
ority, 235; financial problems, 231; GDNÄ
meeting in Bad Nauheim, expects demonstra-
tion against AE at, 231; initiates meeting on
magnetism, 229, 231, 255; invited to 1921
Solvay meeting, 189; invites Epstein to Uni-
versity of Leyden, 179; liver condition of,
301; offers AE full professorship at Universi-
ty of Leyden, 244; on AE’s US visit, 304; of-
fers Leyden as refuge for AE, 244; on AE’s
inaugural lecture, 229, 241; on Bohr, 151; on
AE’s invitation by University of Wisconsin,
303; on approval of a professorship for AE,
214; on expectations toward AE, 229; on cu-
rators of AE’s Leyden professorship, 229; on
Dutch visa for AE, 149, 235; on English edi-
tion of AE’s Einstein 1917a, 241; on para-
magnetism, 229–231, 235; on research of
Russian colleagues, 270; plays Bach for AE,
156; plays music with AE, 136, 138, 139;
praised for cleverness, 139; reads Bergson,
231; on rigid rotation in special relativity, 7;
requests AE for intervention for transit visa
for Russian physicists, 329; requests AE to
appreciate Julius’s research, 329; visits Rus-
sian physicists, 294, 329; violins for daugh-
ters of, 156, 214, 229, confiscated in
Bentheim, 152–153, AE on, 222
Ehrenfest, Paul, Jr. (1915–1939): 159, 255; plays
with AE, 153
Ehrenfest, Tatiana (1905–1984), 214
Ehrenfest-Afanassjewa, Tatiana (1876–1964):
136; visits Katwijk with AE, 168
Ehrenhaft, Felix (1879–1952): 183–184; AE on
appointment of at University of Vienna, 200–
201; approached by Weyland for anti-relativ-
ity lecture, 267; expresses sympathy for AE,
267; on his difficulties in obtaining chair at
University of Vienna, 267; on his lecture at
GDNÄ meeting in Bad Nauheim, 267; on
subelectron, 184–185
Einbeck, Georg (1870–1951), 254
Einstein Donation Fund, contributions, 233, 333.
See also Freundlich, Erwin
EINSTEIN, ALBERT (1879–1955):
APPOINTMENTS: member of scientific com-
mittee of GDNÄ, 277; position at Univer-
sity of Vienna, gives consideration to an
offer by, 21; special professor at Universi-
ty of Leyden, 152, 159, 174, 185, 209,
held up for political reasons, 156, Lorentz
on, 199, reasons for delay unknown, 173;
director of KWIP, 41
COURSES: at University of Zurich, 108, 110,
122, 123, 124, 125, 126, 127, 128, 129,
tired of, 129
FINANCES: devaluation of German mark, 50,
74, 226; expenses of Eduard’s sanatori-
um, 55, 56, 69, 74, 77, 78, 81, 82, 83, 88;
honorarium from Anschütz-Kaempfe,
337, 343; honorarium for lecture at Kiel
Autumn Week for Arts and Sciences, 347;
income, 50, 51, 54–55; from Luftver-
kehrsgesellschaft (L.V.G.), 64–65; shares
from SAG, 144, 145–146; support for
Pauline Einstein, 50; support for Swiss
family, 40, 41, 50, 54–55, 57, 64, 67, 81,
82–83, 174, 204, 213, 226, 264, 280, 334;
tax problems, 65, 81, 82
INVITATIONS:
by Anschütz-Kaempfe, 289,
336–337, 343; Association for Combating
Anti-Semitism to join executive board,
273; Borns, 226, 264; by Grossmann to
University of Zurich, declines, 130; F.
Lindemann to Oxford, 339; E. Meyer, to
University of Zurich, declines, 130;
Trowbridge, declines, 314; University of
Rostock, attends, 138; to Vienna, 337; to
University of Oslo, declines, 310; to
University of Zurich, 305, declines, 315–
316
INVITATIONS
TO
LECTURE: at Columbia Uni-
versity, 279; at Danish Astronomical Soci-
ety, 151; at GDNÄ meeting in Bad
Nauheim, 187, declines, 220; at Kiel
Autumn Week for Arts and Sciences, 20,
at Princeton University, 279, 312, 314,
327, accepts, 311, financial demands, 340;