D O C . 1 5 6 N O V E M B E R 1 9 1 9 1 3 3
few years has done important work in theoretical
and stated to me his
willingness to learn Hebrew so he can become involved in the planned univer-
furthermore, there is Prof. P. Ehrenfest at the University of Leyden, who is
experienced in organizational issues, with whom I just spoke about this
Among mathematicians who could be interested in the affair, I refer you for the mo-
ment to Prof. E. Landau and Dr. Courant, both at the University of
would appreciate it if I could soon learn of the time and location of the conference
so that I can make my arrangements accordingly. I do not want to forget to point
out that the miserable exchange-rate conditions make a trip to Switzerland consid-
erably more difficult for our German, Austrian, etc., colleagues if they do not man-
age to obtain some sort of assistance.
I also remember with much pleasure the time we spent together in
In sending you and your
cordial regards, I remain, in the hope of soon
seeing you again, yours.
156. To Jean Perrin
Berlin, 5 Haberland St., 5 November 1919
Dear Perrin,
I have received your offprints and I thank you
Your opinion of the
primary importance of radiation in all chemical reactions still seems dubious to me,
even if it were certain (which is not the case) that reactions of the type
were of first order. It would be possible, for example, that molecules , whose
internal energy surpasses a certain limit, decomposed in the same manner as radio-
Another request.
A relative of one of my cousins—a geologist—is in France as a prisoner of war.
His mother (a widow), having lost her other son in the war, is in the greatest distress
about her only son, because he has tried to escape many times. She is anxious at the
thought—from his earlier attempts to escape from a difficult situation—that the
man could try to escape again and get shot. Would it not be possible to do some-
thing on behalf of this young scholar?
The address: Pioneer August Moos
P.O.W. Comp. No. 913
Charleville (Ardennes)
With many kind regards to you, Mr. Langevin, and Mrs.
yours truly,
A. Einstein
Drop of sweat from
J2 J J +
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