D O C U M E N T 1 2 6 A P R I L 1 9 2 2 1 2 5 In the notice, I wrote that such temperature dependence occurs according to the same law and the same principles from which one concludes that the density of a heavy gas was greater below than above. I really do not know how I could be more explicit. I believe it would help matters if you would define your position more precisely. I am afraid that you are now going to have very many things to do in Paris and that that surely interests you more than the little tiff that this letter relates. Never- theless, I do believe that this business is of some interest, too, if only due to Nernst’s position and I hope that you can comply with my request of relaying your stand- point. With best regards, yours very sincerely, P. Debye. 125. From Beatrice Jahn-Rusconi Besso[1] Firenze, 31 March 1922 [Not selected for translation.] 126. To Paul Langevin [Paris, 1 April 1922][1] Dear friend Langevin, My wife wrote to you and surely expressed 108 wishes [2] they may only be attended to from the vantage point of lyrical poetry. I am sending you a letter from me to Pictet with the request that an entry ticket to the discussion be enclosed for him.[3] It is good that you do not have to go to the photographer but it is a shame how much time you must be spending on organizational work. I have a bad conscience that I am not helping matters. Cordial regards and auf Wiedersehen today at noon. Yours, Einstein. Please, also one invitation to Dr. Moscovici, Arcueil-Cachan (Seine). (If possible he is a friend of Solovine’s and 0.5 versed.