D O C S . 2 4 3 – 2 4 5 J A N U A R Y 1 9 2 0 2 0 5 God willing, will pass like all the current worries and problems. This quarter I am giving lectures on mechanics at the College for the Adult Proletariat [Volks-Hoch- sch[ule] für Proletarier].[13] I hear from colleagues that there is evidently enor- mous interest among these people. Affectionate greetings now to you and to my Albert, from your Einstein. Amicable regards to your wife. Dear Zangger, Ehrenfest has just written me[14] that Epstein,[15] who is now private lecturer in theoretical physics at the University of Zurich, is in precarious financial straits. In Holland they are considering getting him a paid position. Epstein has explained the Stark effect[16] and provided other proof of strong talent as well. In Zurich they don’t know how important he is. Do see that he gets a decent salary along with a professorship. A man of such scientific importance ought not to be allowed to go. 243. From Charles-Eugène Guye 3 January 1920 [Not selected for translation.] 244. To Ilse Schneider [Berlin,] 5 January 1920 Dear Miss Schneider, Many thanks for your friendly congratulations. When is your relativized Kant coming out?[1] I’m looking forward to it. With best regards, yours, A. Einstein. 245. To Michele Besso [Berlin,] 6 January 1920 Dear Michele, The conference in Basle has been postponed—as it seems, for serious political reasons—to an undetermined date.[1] So I’m not coming to Switzerland for the