Papers, including correspondence with students (1968-1974); the American Physical Society (1974-1984); the Division of Solid State Physics (1974-1977) and the Physical Review (1956-1959, 1981-1985) relating to solid state and high pressure physics. The series, regarding professional meetings, grants, consultation, and contracts, includes files on the Atomic Energy Commission (1950-1962); Center for Advanced Computation Head Search Committee (1976-1977); General Electric (1960-1969); National Academy of Sciences (1958-1959); Argonne National Laboratory (1965-1966, 1972-1978); Committee on Program Evaluation reports on the Physics Department (1972-1978); Graduate College grading information and research reviews (1972-1975); Materials Research Laboratory Policies (1962-1978); National Aeronautics and Space Administration (1958-1959). Also included are files on letters of recommendation (1970-1978); examinations and lecture notes (1949-1973); "Survey of Electronics" book review (1964); "Turning Machines" draft (ca. 1950) and a bibliography on High Pressure (1968-1970).