Correspondence between Philip Herries Gregory and the Royal Society General correspondence following Gregory's election to the Royal Society: on his admission ceremony, reprints, and Fellowship fees. Letters to and from the President, Sir Howard Florey, the Assistant Secretary, David Christie Martin, and the Librarian, Igor Kaye. The original file featured the typed name and address: 'Dr. P.H. Gregory, F.R.S., Rothamsted Experimental Station, Harpenden, Hertfordshire'. 15 March-11 April 1962