8 3 8 C A L E N D A R O F A B S T R A C T S 1 9 2 3 24. To Georg F. Nicolai [Berlin,] 15 April 1923 Describes Emil Gumbel as an expert in political and national economy, who has contrib- uted to pacifist and other humanitarian causes, and recommends him for the position of lecturer in economics at the University of Cordoba, Argentina. ALS (GyMIFZ, Nicolai Papers ED 184/44). [82 530]. 25. To Paul Winteler and Maja Winteler-Einstein Berlin, 15 April 1923 Assumes that Paul and Maja most probably have not received reports of his travels. ATrL (SzGeB, Speziali List, no. 8, fragment in Pierre Speziali’s hand). [81 475]. 26. Ilse Einstein to Colclub, New York Berlin, 16 April 1923 Thanks for Doc. 15, but due to work overload and other responsibilities, AE is unable to travel to America. TLC. [43 465] 27. To Wilhelm Westphal [Berlin,] 17 April 1923 Recommends Gerhard Janssen for a teaching position. For Janssen’s request, see Vol. 10, Doc. 183a, in the present volume. TLC. [44 006]. 28. From Joseph L. Avenol Geneva, 17 April 1923 The letter of 21 March to Pierre Comert (Vol. 13, Doc. 447) was forwarded to him. Its copies were distributed among the members of the ICIC. The Council of the League of Nations was also informed. TLC (SzGeBNU, R1029/13C/20823/14297). [84 622]. 29. From Paul Knipping [Berlin,] 17 April 1923 Due to his leaving the KWI for Physical Chemistry and Electrochemistry, he is provid- ing a statement of his expenses [77 783], sends a copy of Knipping 1921, and reports on his finding that there can be no radiation electrons from incandescent wires in a com- plete vacuum. TLS (GyBMPG, I. Abt., Rep. 34, Nr. 6, Mappe Knipping). [77 782]. 30. From Roderich Schlubach Hamburg, 17 April 1923 On behalf of the Friends of the University of Hamburg invites AE to deliver a popular lecture. TLS. [44 954]. 31. From Zionist Academic Fraternity “Hasmonea” Warsaw, 18 April 1923 Plan fund-raising for the Hebrew University and ask for instructions as how to raise funds and where to send the money. TLS. [36 857]. 32. To Zionist Academic Fraternity “Hasmonea” [Berlin, after 18 April 1923] Shorthand reply to Abs. 31. [36 858]. 33. Ilse Einstein to Roderich Schlubach Berlin, 19 April 1923 In response to Abs. 30 expresses AE’s regret that he is not able to deliver a lecture in Hamburg due to the increasing demands on his time. AE is traveling to Leyden to hold a lecture. TLC. [44 955]. 34. From Hans Reichenbach Stuttgart, 19 April 1923 Asks for help in finding a publisher for Reichenbach 1924. ALS. [20 079]. 35. From Brandt at Landgericht I, Zivilkammer 16 Berlin, 20 April 1923 Thanks AE for his willingness to act as an expert in the patent case of Inag vs. Optikon. The 100 gold marks AE requested (Abs. 5) for his opinion (Doc. 2) will be paid to him after the court’s final decision, following the on-site inspection of both devices. ALS. [35 358]. 36. From Eugen Curti-Forrer Zurich, 20 April 1923 Acknowledges receipt of AE’s letter of 13 April and will act according to AE’s instruc- tions. TLS. [43 498].