Correspondence between Joseph Alexander Gray and the Royal Society General correspondence on personal and professional matters, mainly on publications, and including comments on Lord Rutherford's correspondence. Letters to and from the Assistant Secretary, David Christie Martin, Sir Harold Hartley, and others. The original file featured the typed name and address: 'Professor J.A. Gray, O.B.E., F.R.S., 26 Wellington Street, Kingston, Ontario, Canada'. 25 April 1950-28 February 1962