Joseph Needham's file title is ‘”Background to Modern Science” and Walter Pagel Memorial Mtg 83’. It contains correspondence, Joseph Needham’s handwritten notes and administrative papers relating to his lecture at the Walter Pagel Memorial Symposium hosted by the Wellcome Institute for the History of Medicine on 2 Dec. 1983. The file includes photocopies of a letter from Joseph Needham to Walter Pagel dated 25 Mar. 1941 written in a humorous old-English style and a reply from Walter Pagel to Joseph Needham postmarked 26 Mar. 1941 written in Latin, both held in the Wellcome archives.