4 4 4 C A L E N D A R 1 9 2 1
‘Your leader, Dr. Weizmann has spoken, and he has spoken
very well for us all. Follow him and you will do well. That
is all I have to say.’” New York Times, 13 Apr.
TLS from Irving Fisher. Reiterates invitation, also on behalf
of physics department members, that AE visit Yale, whether
or not he can deliver a formal lecture. [36 269].
Apr 14 ALS from Conrad Haussmann on behalf of a committee. On
the occasion of the 60th birthday of Rabindranath Tagore, a
representative collection of German books is being prepared
as a gift to the library of Shantiniketan. AE is asked to con-
tribute books. [45 096].
AE’s first appearance before a scientific gathering in the
U.S. at CCNY. Listened to lecture by Edward Kasner of
Columbia University on AE’s theory of gravitation, then
spoke for “about twenty minutes” on “the motives which led
him to abandon the Newtonian law of gravitation.” The
Campus (CCNY), 29 Apr, p. 3.
Apr 15 Lectures on special relativity before members of the science
faculties of Columbia University and students. Attends lun-
cheon at the Faculty Club of Columbia University. C. A.
Stewart, Columbia University, to Chaim Weizmann, 6 Apr;
Chaim Weizmann to C. A. Stewart, 8 Apr. IsRWW; New
York Times, 16 Apr.
TLS from Adolf von Harnack. Informs directors of KWG
institutes about the planned contents of the volume to be
published in honor of the tenth anniversary of the KWG,
also containing Einstein 1921f. [77 042].
TLS from Theodore Lyman. Invites to the meeting of the
American Physical Society on 22–23 Apr in Washington,
D.C., and solicits a lecture. [36 234].
Apr 16–Aug 15 Is listed as offering a physics proseminar at the University
of Berlin for students in physics and mathematics who have
reached the third semester, Thursdays, 2:30–4 P.M. Berlin
Verzeichnis 1921a.
Apr 17 Elected corresponding member in the section of physical
sciences of the Bologna Academy of Sciences. [65 013],
[120 598].
Apr 18 First lecture at CCNY on the special theory of relativity.
New York Times, 19 Apr; The Campus (CCNY), 29 Apr.