6 0 2 C A L E N D A R 1 9 2 0
February 20 Pauline Einstein dies. Provenance: Death Certificate,
IsJHU. [29 164].
Continues his lectures to a packed Auditorium Maximum of
the University of Berlin. Provenance: Vossische Zeitung,
EE, Supplement.
In a short talk at the session of the DPG, Max von Laue pre-
sents the photographs taken by the British solar eclipse
expeditions proving light deflection by the Sun. Prove-
nance: Berliner Tageblatt, 21 February 1920, ME.
February 21 1-page TLS from Vieweg publishing house. Sends 2,250 M
remuneration for 4,500 copies of the 6th edition of Einstein
1917a (Vol. 6, Doc. 42) and 171.10 M for the sixty free cop-
ies not requested in entry of 19 February. No information
from Robert W. Lawson on the English edition but happy
that Einstein is satisfied with the proposed arrangement (see
entry of 19 February). Provenance: IsJHU. [42 026].
1-page TLS from Deutsches Museum in Munich. Is elected
board member of the Deutsches Museum. Signed by Oskar
von Miller, Dwor[---], and Carl P. von Linde. Provenance:
IsJHU. [43 545].
3-page TDS. Signs contract between Springer publishing
house and Felix Klein, David Hilbert, Albert Einstein, and
Otto Blumenthal, editors of Mathematische Annalen.
Springer takes over the publication of the journal from
Barth publishing house, effective from its 81st volume on.
Provenance: GyHeidS, Mappe Einstein, E-24. [41 1058].
February 22 2-page TLS from Friedrich Schmidt-Ott. The KWIP board
of trustees arranged for transferring 600 M to Otto Radtke’s
account. Provenance: GyBP, I. Abt., Rep. 1A, Nr. 1657.
[77 309].
February 23 Reader’s letter by Dr. Ernst Wecker-Heilbronn published in
Vorwärts sent in response to attacks on Einstein in 19 Feb-
ruary issue of Deutsche Zeitung. Clarifies that Einstein was
born in Ulm and is, therefore, a citizen of Württemberg and
that he only obtained Swiss citizenship when he was 21
years old (“Der Kampf um Einstein,” Vorwärts, 23 February
1920).
Pauline Einstein is buried in the Maxstrasse cemetery of
Berlin-Schöneberg. Provenance: IsJHU. [29 164.1].
3-page ALS from Jeanne Rouvière. Emile Borel proposed
that she turn to Einstein with the request for permission to