8 6 4 C H R O N O L O G Y 1 9 2 6 July 30 Departs Geneva for Montana-Vermala (Doc. 335). July 30–August 9 Spends vacation with Eduard in Montana-Vermala (Docs. 335, 341). August 1 They embark on hike from Montana via Rawil Pass to Lenk (Doc. 342). August 9–10 In Brig with Eduard (Doc. 346). August 10 AE and Eduard return to Zurich (Doc. 345). August 11–12 In Zürich (Doc. 348.) August 12 Departs Zurich for Berlin (Doc. 348). before September 2 Cosigns an appeal calling for a protest against the Law for the Protection of Minors against Obscene and Pulp Litera- ture. Berliner Tageblatt, 2 September 1926, ME. September 13 Attends lecture by Rabindranath Tagore on “The Philoso- phy of the Indian People” at the Berlin Philharmonic. Berliner Tageblatt, 14 September 1926, ME. September 14 Attends breakfast in honor of Rabindranath Tagore, hosted by the Prussian minister of education Carl H. Becker. Vossische Zeitung, 15 September 1925, ME. Hosts Rabindranath Tagore and his entourage at his home for tea. Vossische Zeitung, 15 September 1925, ME (see Illustration 4). September 19–26 Visits Düsseldorf and lodges with Willy and Grete Lebach (Doc. 373). Attends eighty-ninth annual conference of the GDNÄ in Düsseldorf (Docs. 368, 369). Presides over session at GDNÄ at which Ernst Reichen- bächer lectures on “Der Elektromagnetismus in der Welt- geometrie.” Vossische Zeitung, 28 September 1926, ME. September 27 Arrives in Leyden and lodges with the Ehrenfests (Doc. 370). October 9 Possibly visits the Julius family in Utrecht with Paul Ehren- fest (Abs. 587). October 10 Departs from the Netherlands, arrives in Kiel, and lodges with Hermann Anschütz-Kaempfe (Doc. 376). October 13 or 14 Returns to Berlin. Doc. 376.