Correspondence between Edward Armand Guggenheim and the Royal Society General correspondence, including on: import licences for pure hydrocarbons from the U.S.A.; an enquiry about recommending Lars Onsager for Foreign Membership; on facilitating travel for a Polish scientist, E. Jozefowicz; and a dispute with Rudolf Morf, which involved the Foreign Secretary, H.G. Thornton. Includes letters to and from the Assistant Secretary, David Christie Martin. The original file featured the typed name and address: 'Professor E.A. Guggenheim, F.R.S., Department of Chemistry, University of Reading, Reading, Berkshire'. 5 February 1955-15 May 1958