Comprising 20 black-and-white photographs and 2 colour photographs.
Including photographs of Wilhelm Schlenk and his wife, undated (1); Emilio Segrè at CERN in Geneva, undated [1960s] (1); Cyril and Alice Smith, undated (1); Otto Stern, undated (2); Alfred Stock, undated (1); Fritz Strassman with his wife, undated (1); The Svedberg in a laboratory, 1913 (1); Hans Thirring, 1954 (1); the Thunberg family, 1921 (3); Gerta von Ubisch and her family, 1909 (3); Harold Urey in Chicago, 1951 (1); Willy Wien, undated (1); Eugene Wigner, 1951 (3); the Wingert family, undated (1); and Denys Wilkinson, undated (1).