V O L . 1 2 , D O C S . 1 5 0 a , 2 0 2 a 1 9 2 1 7 Vol. 12, 150a. “To Walther Rathenau”[1] [Einstein 1929f] Dated [between 17 June 1921 and 24 June 1922][2] Published March 1929 In: Gelegentliches von Albert Einstein. Zum fünfzigsten Geburtstag 14. März 1929 dargebracht von der Soncion-Gesellschaft der Freunde des jüdischen Buches zu Berlin. Berlin: Soncino-Gesellschaft, 1929, p. 30. I regret that business duties prevent me from accepting your kind invitation for Wednesday afternoon. Please allow me to take this opportunity to express my joy at the brilliant success that the general public, and not only the German one, owes to your beneficial activity.[3] Vol. 12, 202a. To Ludwik Silberstein[1] [Kiel,] 10 August 1921 Dear Mr Silberstein, Those damned journalists have committed something very vile against me! The affair began as usual in Berlin.[2] Naturally, there can be no question of my having said such malicious things. On the contrary, I am filled with gratitude for all the beautiful experiences that I encountered and received and learned in America, in