Correspondence between Charles Alfred Coulson and the Royal Society General correspondence on a variety of topics, including: a portrait photograph for the Royal Society's personal records; the proposed construction and financing of an electronic calculator by Mr [Norman, or Norbert] Kitz; overseas visits, including to Sweden and to Yugoslavia; an application for funding for Darwin W Smith, a postgraduate working on the structure of ice; and a proposal for a conference on molecular quantum chemistry, noting a grant application to NATO, and involving John Anthony Pople and Hugh Christopher Longuet-Higgins. Letters to and from the Assistant Secretary, David Christie Martin. The original file featured the typed name and address: 'Professor C.A. Coulson, F.R.S., Mathematical Institute, Parks Road, Oxford'. 17 May 1950-12 March 1962