2 1 6 D O C U M E N T S 2 7 2 , 2 7 4 J U L Y 1 9 2 2 272. From Max Planck Grunewald, Berlin, 8 July 1922. Dear Colleague, Your valued letter of the 6th of this mo.[1] struck me like a bolt out of the blue. So the rabble really has pushed it so far that you have to be worried about your per- sonal safety! I’m only thinking in the second place of the loss that our centenary celebration suffers by the cancellation of your talk although even this, as you can imagine, touches me very deeply. For I cannot regard your participation as a mere formal act. But I shall try to win over Laue as a substitute and thank you for your- self having pointed him out. That might perhaps contribute toward his deciding to take on the speech. Above all, though, please accept confirmation of what actually goes without say- ing, that I entirely understand your retraction of your earlier commitment to me and have just one urgent wish, that you will soon be relieved of these utterly intolerable circumstances, which are perhaps less so for you than for your friends. With warm greetings and in hope of seeing you again soon, yours, Planck. 273. From Gilbert Murray Zatscombe, Boar’s Hill, Oxford, July 10th 1922. [See documentary edition for the English letter.] 274. To Henri Barbusse Berlin, 11 July 1922 Esteemed Mr. Barbusse, You asked me in your letter of 8 May of this y[ea]r to tell you something about my Parisian stay.[1] The days in Paris are among my finest experiences that I shall always remember with pleasure and gratitude.[2] My fellow colleagues in Paris received me like an old friend, without the reserve I would have had to expect in the current domineering sentiment of political nationalism. Shared activities and shared interests immediately chased away the shades of the past. When we were