Correspondence between William Rede Hawthorne and the Royal Society General correspondence, including on an enquiry on heat transfer sent from the United States. Letters to and from the Assistant Secretary, David Christie Martin, and the Librarian, Igor Kaye. The original file featured the typed name and address: 'Professor W.R. Hawthorne, C.B.E., F.R.S., University Engineering Laboratories, Trumpington Street, Cambridge'. 1 September 1956-24 September 1959