Scope and Contents Comprising 43 black-and-white photographs. Including photographs of Otto Hahn giving a lecture, March 1930 (1); a party, possibly a departmental Christmas party, 1930 (1); a meeting or holiday in the mountains in Switzerland, near Rigi, including Lise Meitner, Rudolf Peierls, Walter Bothe and Irène Joliot-Curie, May 1931 (8); a gathering in Zurich, June 1931 (7); the first international conference on nuclear physics in Rome, including Niels Bohr and Marie Curie, September 1931 (7); a...