Correspondence between Gilbert Adair and the Royal Society An exchange of letters with David Christie Martin, the Assistant Secretary, on Adair's signing of a vellum slip while the Charter Book was stored during wartime, and an invitation to sign the book informally, the next time he is at Burlington House. The original file featured the typed name and address: 'G.S. Adair, Esq., F.R.S., 92 Grantchester Meadows, Cambridge'. 30 July-8 August 1947