C H R O N O L O G Y 1 9 2 4 – 1 9 2 5 8 1 3 before November 28 Agrees to be elected as honorary chairman of the World Union of Jewish Students. Ha-Olam, 28 November 1924. November 29 Arranges for 6,750 Swiss francs to be sent to his sister, Maja Winteler-Einstein, and brother-in-law, Paul Winteler, to cover the debt on their house near Florence. 1925 January 6 “On Political Amnesty” (Doc. 413) is published. January 8 Presents “Quantum Theory of the Monatomic Ideal Gas. Second Paper” (Doc. 385) at the PAW. January 9 Hosts a reception for Chaim Weizmann in his apartment. Ha-Olam, 16 January 1925. around January 16 Completes “Statement for Letters from Russian Prisons” (Doc. 422). January 22 “Remark on P. Jordan’s Paper ‘On the Theory of Quantum Radiation’” (Doc. 425) is received by the Zeitschrift für Physik. January 29 Presents “On the Quantum Theory of the Ideal Gas” (Doc. 427) at the PAW. January 30 Survives an alleged assassination attempt by Russian stu- dent Marie Evgeniewa Dickson at his Berlin apartment. Dickson had been sending threatening letters to Einstein for six months. Vossische Zeitung and Berliner Tageblatt, 1 February 1925, and Jewish Telegraphic Agency Daily News Bulletin, 2 February 1925. February 7 Arrives in Utrecht. February 9 “Quantum Theory of the Monatomic Ideal Gas” (Doc. 385) is published. Attends the celebration of the 350th anniversary of the Uni- versity of Leyden. February 13 Visits H. A. Lorentz in Haarlem. before February 15 Returns to Berlin. Vossische Zeitung, 16 February 1925, EE. February 15 Attends matinée of “Pankraz erwacht” by Carl Zuckmayer at the Jünge Bühne in Berlin. Vossische Zeitung, 16 Febru- ary 1925, EE. February 17 His Zionist “Message” (Doc. 438) is published in the Jüdische Rundschau.