C H R O N O L O G Y 1 9 2 6 8 6 3 June 15 Holds discussions with Chaim Weizmann on the Hebrew University. Jüdische Rundschau, 18 June 1926. June 23 Attends banquet in honor of John Maynard Keynes, hosted by Heinrich Triepel, rector of the University of Berlin, at the Haus der Deutschen Gesellschaft. Berliner Tageblatt, 24 June 1926, EE. July 8 Presents “Über die Interferenzeigenschaften des durch Kanalstrahlen emittierten Lichtes” (Doc. 278). July 10 Leaves Berlin for Zurich. Stays overnight in Stuttgart (Doc. 321). July 11 Arrives in Zurich (Abs. 536 and Doc. 321). before July 13 Cosigns telegram to Massachusetts governor Alvan T. Fuller, pleading for a reopening of the trial of Nicola Sacco and Bartolomeo Vanzetti. The Official Bulletin of the Sacco- Vanzetti Defense Committee of Boston, Massachusetts. August 1926, p. 3. July 13 Leaves from Zurich to Engelberg for a hiking tour in the mountains with Eduard, via the Joch Pass, and Engstlenalp to Meiringen (Doc. 322). They arrive at Trübseealp (Doc. 324). July 14 Crosses Joch Pass to Engstlenalp and Meiringen (Docs. 324, 342). July 14–18 or 19 Continues tour via Brünig Pass to Mt. Pilatus (Doc. 325). July 19 AE and Eduard return to Zurich. AE stays with Mileva and his sons (Doc. 325). July 20 Visits Michele and Anna Besso in Bern en route to Geneva (Doc. 327). July 21 Arrives in Geneva (Doc. 324). July 23–24 Attends meetings of the ICIC’s subcommittee on bibli- ography (Doc. 328). Vossische Zeitung, 25 July 1926. July 24 Attends lecture by Sir Jagdish Chandra Bose on physiolo- gical research (Doc. 329). July 26–29 Attends eighth session of the ICIC (Doc. 329). July 28 Meets with Judah L. Magnes to discuss the Hebrew Univer- sity (Doc. 335).