Disney Hubert Dusch Cran was born in 1887 and educated at the Royal High School, Edinburgh. He studied medicine at the University of Edinburgh, graduating in 1911 and proceeding MD in 1919 with a thesis entitled 'Influenza: Clinical Notes on 50 Cases with Pathological and Bacteriological Observations on 100 Autopsies'. During the First World War he served with the British Red Cross Society and the Royal Army Medical Corps, reaching the rank of Captain. In 1924, Cran married the musician Margaret 'Peggy' Tennant Cochrane. Thereafter he practised in London and died there in 1938.

George Henry Masson studied at the University of Edinburgh, gaining MD in 1897 and DSc (Public Health) in 1907. He undertook further study at medical schools in Edinburgh, Paris, Berlin and Vienna. He served as Medical Officer of Health in Port of Spain, Trinidad, and was in charge of the tuberculosis wards at the Colonial Hospital, Trinidad. He was appointed OBE in the Colonial Birthday Honours in 1936 and was elected a Fellow of the Royal College of Physicians of Edinburgh in 1923. His publications include 'Tuberculosis in Trinidad and Tobago' (1912). He died circa 1941.

Peter Morrison Tolmie was born in 1880. He qualified as a Licentiate of the Royal College of Physicians of Edinburgh and the Royal College of Surgeons of Scotland. By 1916 he was practising as a general practitioner in Newmills, Fife. During the First World War he registered with the Scottish Medical Service Emergency Committee and made himself available for service with the Royal Army Medical Corps. Tolmie died in Nairn, Scotland, in 1965 at the age of 84.

Vishnu Tatyaji Korke was registered to practise at the Central Research Institute, Kasauli, Shimla Hills, India. He became a Licentiate of the Bombay Medical School in 1903 and completed a degree in Tropical Medicine at the University of Liverpool in 1910. While studying in England he served as Assistant Resident Medical Officer at the Barnes Convalescent Hospital, Cheadle. After returning to India he was a member of the Kala-Azar and Helminthological Enquiries, India. His publications include 'Observations on Life History of Hookworm in Nature', Indian Journal of Medical Research (1925), and 'Observations on Filariasis in some Areas of British India', Indian Journal of Medical Research (1928). He was elected a Fellow of the Royal College of Physicians of Edinburgh in 1923.

Chung-yik Wang was born in 1888. He entered the Hong Kong College of Medicine in 1903, qualifying LMSH in 1908, and proceeded to the University of Edinburgh, where he graduated MB ChB in 1910. He obtained the Diploma in Tropical Medicine and Hygiene in 1911, the Diploma in Public Health from the University of Manchester in 1912, and the MD in 1915 for research on tuberculosis. From 1913 to 1919 he served as Research Fellow and Acting Superintendent of the Laboratory of the Royal College of Physicians of Edinburgh, publishing extensively on bacteriology and tuberculosis in the Journal of Pathology and Bacteriology and The Lancet. In 1920 he was appointed the first Professor of Pathology at the University of Hong Kong and authored 'Handbook of Pathology' (1925). Wang died of tuberculosis in 1930 and was buried at Pok Fu Lam Road Cemetery, Hong Kong.

Biography: Chung Yik Wang

John Lindsay Boyd studied at the University of Glasgow, receiving the MD with commendation in 1917. He was registered at Albert Road, Trentham, Stoke-on-Trent, and at the Coal Trade Office, Stoke-on-Trent. He served as Medical Officer for the Northern Employers Insurance Association and the Shelton Iron and Steel Company. He was elected a Fellow of the Royal College of Physicians of Edinburgh in 1923 and was also a Fellow of the Royal Society of Medicine.

William Robertson studied at the University of Glasgow, graduating MB CM in 1887 and MD in 1891. He was registered at the Public Health Department, Johnstone Terrace, Edinburgh. He served as Medical Officer of Health in Paisley and later Edinburgh and lectured in public health at the University of Edinburgh. His publications include 'Practical First Aid' (1900), 'Sanitary Law and Practice', and 'Meat and Food Inspection'. He was elected a Fellow of the Royal College of Physicians of Edinburgh in 1923.

James Crocket studied at the University of Edinburgh, graduating MB ChB in 1909, MD in 1913, and DPH in 1915. He was registered at Craigielea, Bridge of Weir, Renfrewshire. He lectured on clinical and practical tuberculosis at the University of Glasgow and served as Visiting Physician at the Consumption Sanatoria of Scotland, Bridge of Weir, and worked at the Rankine Memorial Hospital, China. He was elected a Fellow of the Royal College of Physicians of Edinburgh in 1923. His publications include 'The Problem of Tuberculosis in Children', Glasgow Medical Journal (1925), and 'Local Application of Tuberculin', British Medical Journal (1922).

William Glen Liston was elected a Fellow of the Royal College of Physicians of Edinburgh in 1923. He served as a Lieutenant in the Indian Medical Service circa 1899 and as Medical Officer to the 6th Infantry, Hyderabad Contingent. His publications include 'The Advantages of a Microscopical Examination of the Blood in Cases of Fever in India', Indian Medical Gazette (1899), and 'Plague, Rats, and Fleas', Indian Medical Gazette (1905).

James Walker Dawson was born in India in 1870. He graduated MB CM from the University of Edinburgh in 1904 and MD in 1911, receiving a Gold Medal for his thesis 'Studies on Inflammation'. During the First World War he taught pathology at the University of Edinburgh and the Royal Infirmary. He was elected a Fellow of the Royal College of Physicians of Edinburgh in 1924. Dawson died on 26 June 1927 and is buried at Morningside Cemetery.