9 1 6 C A L E N D A R O F A B S T R A C T S 1 9 2 6 402. From Partido Democrata Femenino Chile Santiago de Chile, 8 April 1926 Invites AE to join as a member the feminist congress in homage to democracy. TLS. [43 455]. 403. From Brandus’scher Verlag Berlin, 9 April 1926 In reply to AE’s (nonextant) card of 3 April, informs that AE was sent Zeller’s book on 15 January (see also Abs. 376). The book was apparently lost, and the press is enclosing another copy requests acknowledgment of receipt. Jacoby appends a note that the book was returned 11 April 1926. TLS. [43 353]. 404. From Isaac D. Levine, New American New York, 9 April 1926 Has earlier sent AE a copy of the book on Russian prisoners, Einstein 1925s, whose first edition of 2,500 copies is sold out. Informs of the ongoing U.S. fund-raising campaign with the goal of $6 million for Jewish relief and colonization. Requests AE’s opinion on the Jewish colonization movement in Russia and how it would affect the Palestine col- onization. TLS. [44 289]. 405. From Heinrich Löwy Vienna, 9 April 1926 AE has helped him in the past with his Earth exploration work (see Vol. 7, 65a in this volume). The detection of water under a stone layer from a ship is solved, but he wishes to pursue the experiments from airplanes and requests AE’s recommendation to French authorities, so that he can carry out experiments from planes above deserts, such as in Africa. He has built instruments based on Fizeau’s experiment and also on interference methods. Attaches a booklet in which AE’s visit to Josef Popper-Lynkeus is described. TLS. [44 358]. 406. From S. Krichewsky Cairo, 10 April 1926 Attaches letter from Ch. Weizmann and documents mentioned therein. His father met with Weizmann in Tel-Aviv and submitted the same documents hopes his qualifications are evident. His father was a Zionist pioneer. He himself has served some excellent En- glish specialists in the field of hydrology, meteorology, and statistics (see Abs. 375). Sends scientific papers and references: H. E. Hurst, Harold Knox-Shaw, and E. B. M. Wade. ALS. [44 218]. 407. To Polizeipräsidium, Berlin [Berlin,] 11 April 1926 Sends attached request for study entrance permit into Germany by Felix Biske. Recom- mends Biske as a quiet, determined student, and supports his application. Requests that Biske’s letter be returned to AE. ALS. [43 273]. 408. From Hedwig Born [Göttingen,] 11 April 1926 Thanks both Einsteins for their letters. Has been in Frankfurt for dental work. Has asked her friend Elli Rosenberg (née Husserl) to give the Einsteins copies of her American re- ports. Max Born is back in his letters from Boston and San Francisco there was a lot about physics. He was appalled by D. C. Miller’s slipshod experimental setup on Mount Wilson. ALS. [8 267]. Einstein and Born 1969, p. 128. 409. From R. Fuess Berlin, 12 April 1926 With reference to the conversation with Mr. Halle, encloses catalog of R. Fuess Fabrik für wissenschaftliche und technische Präzisions-Messinstrumente. TLS. [40 160]. 410. From Walter Steinitz Breslau [Wrocáaw], 12 April 1926 Has been informed that Bernhard Baron c/o Carreras Ltd. Tobacco Company, Arcadia Works, London, makes generous donations for Jewish causes and may be induced to be-