D O C U M E N T 1 5 J A N U A R Y 1 9 2 2 3 5
asked Anschütz to confirm your good national
a stain on my
impression of you would otherwise have remained! Three other neutral colleagues
besides you to whom I had sent my Lusitania
received it with deathly
silence. The world simply does not want to be awakened from its dogmatic
slumbers regarding the German guilt; rather, Lloyd George still wants to make all
sorts of capital out of
It really is time that we talked together again so that the Entente’s insane thieving
policy does not end up separating the two of us. But let us turn to something posi-
So, you made another grand discovery, buried the wave theory, as Anschütz tells
I am glad if you can get a spy hole into some tip of it. The way things have
been with the dualism in viewpoints cannot go on. If you say your experiment is
decisive, I will gladly believe it, although I do not understand it yet, despite Gei-
ger’s explanations in
I meanwhile clarified for myself some wonderful numerical laws for line com-
binations in connection with Paschen’s measurements and presented them in the
3rd ed. of my
A student of mine (Heisenberg, 3rd
interpreted these laws and those of the anomalous Zeeman effects using models
(Z[eitschrift] für Ph[ysik], in
Everything works, yet its deepest founda-
tions remain unclear. I can only promote the technique of quanta, you have to do
your philosophy. Deep inside, I also no longer believe in the spherical wave. (The
anomalous Zeeman effects also have a share in rejecting undulatory theory, by the
way.) Do tackle it properly!
Yours truly,
A. Sommerfeld.
15. From Felix Ehrenhaft
Vienna IX, 5 Boltzmann Street, 12 January 1922
Dear Mr. Einstein,
Actually, I am a little cross with you because you haven’t written me for so long.
What did you say about the splendid etching by
When will you con-
sider keeping your word and coming to Vienna completely incognito for a fortnight
as our guest? You did promise to do so; the room is ready for you anytime.
Today I would like to ask you for something; I am addressing this letter to your
wife so that I am certain that my request will be dealt with directly as well. Please
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