The papers document all aspects of Gunn's career. Includes a considerable quantity of minutes and papers arising from work with the Science Research Council, CERN, the University Grants Committee, and many other national bodies, together with his involvement in the Rutherford-Appleton Laboratory and the Daresbury accelerator. Also includes a significant amount of papers on physics research activities at Glasgow University, particularly on work with the synchrotron, and a number of Gunn's own research notes. Also includes papers arising from his administrative and teaching duties at the university.