Includes three separate record series:
- Research and reports, including material relating to research grants held by Ferguson-Smith, chiefly from the Medical Research Council;
- Correspondence and memoranda relating to the development of the field of medical genetics as an academic study and as clinical practice, including accomodation for Ferguson-Smith's department culminating in the opening of the Duncan Guthrie Institute of Medical Genetics in 1981;
- Development of medical genetics at Cambridge, including correspondence regarding the proposal for a Centre of Meducal Genetics at Cambridge.