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all professors at the Collège de France are like your friends. Read the pamphlet by
Professor Georges Blondel, “The Disappointments of Peace and the German
Peril”[6]
[Les mécomptes de la paix et le péril allemand] and you will understand
me.
I have been working here for two years as best I can toward an alleviation of the
tension. It was only for this purpose that I gave in to my friend Theodor
Wolff’s[7]
wish, left my home and my books in Berlin, endured the semiannual separation
from my wife (Rosa
Bertens),[8]
and took up the effort and struggle again on this
hot soil, instead of my comfortable employment in Berlin. I do not want to com-
plain personally. Most of my friends remained loyal to me; and the opponents at
least know that I tell the truth and am well intentioned. But the press and the cham-
ber are hopeless at the
moment.[9]
Here in Paris I learned to love my homeland
more honestly, despite all its faults.
Nevertheless, one should not lose hope. Your appearance in Paris was a very fine
thing. A glimpse into the future; perhaps an avenue into the future. I wish I could
live to see it.
With obliging regards and in great respect, yours,
Paul Block.
167. From Paul Langevin
Paris, 25 April 1922
My dear Friend,
I was happy to know that your return proceeded without incident and that you
are going to be able to take a well-deserved rest in the knowledge of having per-
formed, from all points of view, useful service. The too short days you spent here
will remain with me as happy days. Like you, I regret that we did not have the time
to chat at leisure and, that this pleasure must be postponed until your next visit,
which I hope will in fact be soon.
I just expedited to Mr.
Kocherthaler[1]
a check representing the amount you left
with me. Certain measures were required to obtain the necessary authorization and
for this reason the remittance took place a little late. I asked our correspondent to
acknowledge receipt to you directly.
Please find in attachment a word by Mr.
d’Ocagne,[2]
member of the institute
and a distinguished mathematician. He followed our discussions and knows their
topic well. See if you can gratify him.
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