Photograph of Pontecorvo with the other Darwin medallists taken on 30 November 1978

Including a letter from the Administrative officer at the Royal Society and a slip of paper with a list of all the other people in the photograph. Photograph includes Pontecorvo and Professor W Cochran, professor T Kilbrun, Dr T N Marsham, Dr J F W Bishop, Mr A D Evans, Professor A Salam, Mr J M Laithwaite, Mr A G Frame, Dr J W Black, Sir Frederick Warner, Professor R A Gregory, Sir George Porter, Professor R B Woodward, and Professor A Eschenmuser.