Correspondence between Subrahmanyan Chandrasekhar and the Royal Society General correspondence, including a letter explaining his reluctance to send his publication across the Atlantic during wartime, his official photograph for the Royal Society, and an article on the award of the Rumford Medal. Letters to and from the Assistant Secretaries, John David Griffith Davies and David Christie Martin. The original file featured the typed name and address: 'Professor S. Chandrasekhar, F.R.S., Yerkes Observatory, Williams Bay, Wisconsin, U.S.A.'. 24 June 1944-14 March 1957