I N D E X 1 0 6 5 Ziffer, Konrad, 920a Zille, Heinrich, 146n, 361, 638n Zimmern, Alfred Eckhard, 902a Zionism AE criticizes, 603n AE’s relation to, lxxx Blumenfeld on AE’s criticism of, 602 Iyar Campaign, 383n propaganda of German Jewish Social Demo- crats against, 909a Zionism and anti-Zionism in Germany, Blumen- feld on, 906a Zionist Congress, Vienna, lxxvi, 55n, 383n, 873a, 880a Zionist Executive BOGHU, opinion on, 73–74, 875a AE agrees with, 875a Palestinian members, exchange of letters with, 877a Zionist Organisation, lxxxvi–lxxviii, 75n, 207n, 313n, 344n, 365n, 383n, 457, 512, 513n, 519n, 607n, 877a, 903a, 906a Blumenfeld on reform of, 382–383 presidency of, Weizmann resigns, lxxxvi– lxxviii, 54–55 Zionist Organisation Month, 383n Zionisten-Revisionisten in Deutschland, solicits opinion on their movement, 917a Zionistische Vereinigung für Deutschland proposes Romanian chapter of Friends of the Hebrew University, 941a solicits signature on invitation to meeting on Palestine, 908a Zlataroff, Assen (Zlatarov, Asen), solicits fore- word to 5th edition of book by, 893a ZOA, Warburg, Felix on objectionable fundrais- ing by, 512, 909a Zodiacal light, 883a, 930a Zoelly, Heinrich, on Einstein-Szilard cooler, 957a AE on obstacles in selling, 798 Zöllner, Friedrich on geomagnetism, l on gravitation as difference between attraction and repulsion of elementary charges, 680 Zuar, Ralph, solicits opinion on Miller’s, We- ber’s, and Tomaschek’s experiments, 918a AE on, 438 Zugspitze, Tomaschek ether drift experiments, lxvi Zürcher, Emil Jr. (1877–1937) AE asks for help to prevent Hans Albert’s mar- riage, 178 AE sends condolences to, 600, 601 Zürcher, Emil Sr. (1850–1926), death of, 590 Zweig, Arnold, 599n Zweig, Stefan, 104, 106n, 146n