Collection contains correspondence with collegues, administrators and students (1952-1995), regarding research in nuclear physics and biophysics, letters of recommendation, manuscript refereeing including the Proceedings of the National Academy of Sciences, and awards and honorary degrees. The series also contains files regarding grants and contracts in biophysics (1970-1995), his student notebooks 91940-1951), publications (1948, 1951-1992), teaching materials in biophysics (1979, 1985-1985, 1989-1990), and files for campus, national and international committees, task forces, and workships (1975-1992).