D O C U M E N T S 1 2 8 , 1 2 9 A P R I L 1 9 2 2 1 2 7
With very cordial regards also from my wife, yours,
128. From Emile Berliner
Washington, D.C., 2 April 1922
Highly esteemed Professor,
After having written you on the 24th of February, I herewith have the honor of
handing over to you the promised ten thousand dollars for the Jewish University in
I do so with particular pleasure, as it has been some 18 years since I initially
grasped the opportunity of supporting this idea, in a club in Philadelphia, because
I recognized it was something very promising for the renown of the Jewish nation.
And now that you decided to back this highly significant plan personally, a very
special guarantee for its success is given.
I hope this letter reaches you and your highly esteemed wife in the best of health
and am sending you respectful greetings in the name of all of us,
129. From Ludwig Hopf and Theodor von Kármán
Aachen Polytech., Aerodyn. Institut, 3 April 1922
Dear Mr. Einstein,
The papers report that you are staying in
a glance at the railway map
reveals that the return route from Paris goes through Aachen. The undersigned
therefore dare to cherish the hope that you might perhaps feel like spending a day
in Aachen on your way homeward. We would mark this day red on the calendar and
return the favor by promising: (1) no lecture; (2) not a single word more than you
yourself would want about relativity; (3) not the faintest notice in the newspaper.
It would be so nice; so please do us this favor!
Most cordial regards! Yours,
L. Hopf, Th. Kármán.