Sir Frederick Norton Menzies was born in 1875. He studied medicine at the University of Edinburgh, graduating MD in 1903. He undertook postgraduate study in Vienna and Berlin and held resident appointments at the Royal Infirmary of Edinburgh and the Hospital for Sick Children, London. He was awarded a Diploma in Public Health in 1905 and was appointed Demonstrator and Lecturer in Public Health at University College London in 1907. He later held a number of senior public health posts within local authorities and served as Inspector of Hospitals in North Wales. He died in London in 1949.

Theodore Charles Mackenzie graduated MB from the University of Edinburgh in 1899 and was elected a Fellow of the Royal College of Physicians of Edinburgh in 1907. He worked in both Edinburgh and Aberdeen, holding posts as Senior Assistant Physician at the Aberdeen Royal Asylum and Assistant Physician at the Royal Edinburgh Asylum.

George Douglas McRae was born in Penicuik in 1874, the fourth son of Alexander Edwards McRae MD. He was educated at George Watson's College and the University of Edinburgh, graduating MB CM in 1895. He worked in Dundee, Devon, Northampton and Edinburgh before being appointed Senior Assistant Physician at the Royal Edinburgh Asylum, Morningside. He graduated MD in Edinburgh in 1907 and was elected a Fellow of the Royal College of Physicians of Edinburgh in the same year. In 1908 he became Medical Superintendent of Ayr District Asylum, a post he held until retirement in 1939. He died in West Linton in 1943.

Patrick Hehir was born in County Clare in 1859, the son of Robert Martin Hehir of Ennis. He graduated MD from the University of Brussels in 1883 and obtained a Diploma in Public Health from the University of Cambridge in 1886. He was elected a Fellow of the Royal College of Physicians of Edinburgh in 1908. He joined the Indian Medical Service in 1886 and held senior administrative posts including Assistant Director and Deputy Director of Medical Services in Burma and Poona. During the First World War he served in senior command roles and was promoted to Surgeon-General in 1918. After retiring in 1920, he acted as Medical Advisor to the British Red Cross Society Mission to Greek Refugees. He died in 1937.

Harold Sherman Ballantyne graduated MB from the University of Edinburgh in 1897 and was elected a Fellow of the Royal College of Physicians of Edinburgh in 1908. He practised as a general practitioner in Dalkeith, Bonnyrigg, Lasswade, Roslin and surrounding districts. He contributed the article 'Remarks on Duodenal Ulcer, with Notes of a Case' to the Edinburgh Medical Journal in 1903.

Herbert Henry Ernest Russell was born on 28 October 1875 in South Australia, the son of James Thomas Russell and Susanne Charlotte Russell (nee Bird). He qualified in medicine and was awarded MD by the University of Adelaide. Russell practised in Unley, South Australia, where he served for many years as Medical Officer of Health. He held a range of public health and administrative roles, including appointment to the Board of Management of the Metropolitan Infectious Diseases Hospital in Adelaide following its establishment in 1932, representing the British Medical Association. He also served in the military medical services, attaining the rank of Lieutenant-Colonel. Russell died on 10 July 1951 and was buried in North Road Cemetery, Nailsworth, Australia.

John William Simpson was educated at Dollar Academy, Clackmannanshire, before studying medicine at the University of Edinburgh, where he graduated MB in 1896 and MD in 1906. He specialised in diseases of children and published several articles on the subject, including 'Guide to the Feeding of the Infant in the First Years'. He was admitted as a Member of the Royal College of Physicians of Edinburgh in 1900 and elected a Fellow in 1903. He was appointed Extra Physician to the Royal Hospital for Sick Children. He died in 1921.

James Taylor Grant was educated at James Gillespie's School and George Watson's College, Edinburgh, before commencing medical studies at the University of Edinburgh in 1893. He graduated MB in 1897 and was admitted as a Member of the Royal College of Physicians of Edinburgh in 1899, becoming a Fellow in 1903. During the First World War he served as a Lieutenant in the Royal Army Medical Corps.

Charles Cromhall Easterbrook was born c.1867 in Midlothian. He was educated at George Watson's College before studying medicine at the University of Edinburgh, graduating MB in 1892 and MD in 1897. He was appointed Junior Physician at the Royal Edinburgh Asylum and obtained the diploma of the Royal Medico-Psychological Association in 1897. In his final year as a student he served as President of the Royal Medical Society. He was admitted as a Member of the Royal College of Physicians of Edinburgh in 1900 and elected a Fellow in 1903. During the First World War he offered his services to the Scottish Medical Services Emergency Committee. He served for thirty years as Physician Superintendent of the Crichton Royal Institution, Dumfries. He died in Edinburgh in 1949.

Edwin Bramwell was born in North Shields in 1873, the eldest son of Sir Byrom Bramwell, former President of the Royal College of Physicians of Edinburgh. He was educated at Cheltenham College and studied medicine at the University of Edinburgh, graduating in 1896. In 1900 he was admitted as a Member of both the Royal College of Physicians of Edinburgh and the Royal College of Physicians of London. During the First World War he served as a Captain in the Royal Army Medical Corps at the Second Scottish General Hospital, Craigleith, where he worked as a neurologist with responsibility for cases of shell shock. In 1919 he was appointed Physician to the Royal Infirmary of Edinburgh. He died in Edinburgh in 1952.