plan was designed to overcome the great difficulties associated with providing medical care for a small population scattered over a wide area where transport is usually difficult. This detailed plan became an extremely successful model. This success was recognised when Mackenzie was invited to Kentucky in 1928 to inaugurate a new hospital and nursing service in a mountainous region. His system was also implemented in Canada, Newfoundland, and South Africa. In addition to his contribution to systematising rural healthcare, Mackenzie's contributions in the field of child and maternal health are invaluable. One of his books, The Medical Inspection of School Children, published with Dr. Edwin Matthew was the first to give any form of substantial evidence for the establishment of medical inspection for children. While legally his manuscript did not cause immediate changes, it provided a foundation for future reform. The services Mackenzie lobbied for were properly coordinated in 1919, shortly after the Education Act of 1918. In 1915, his report for the Carnegie Trustees, Scottish Mothers and Children, set the framework for establishing a service specifically catering to the health of mothers and their children. His other notable works include The Health of the School Child (1906) and Health and Disease (1911). Mackenzie was considered a radical by his peers in terms of promoting a movement of personal fitness rather than trying to control the environment. His colleagues regarded him “with awe, as a radical philosopher who saw medicine not as a palliative nor a means of private gain, but as an instrument of social development”. He was among the first to lead the charge against Chadwick's Poor Laws and saw the value in looking to improve more than just environmental factors. His publications on behalf of the sick pauper, the TB victim, the mother, the school child, and the inner city tenant all embodied his idea of social advancement through positive intervention. Further recognition and later life In 1904 he was elected a Fellow of the Royal Society of Edinburgh. His proposers were Sir Thomas Clouston, Sir John Sibbald, Cargill Gilston Knott and Alexander Buchan. In 1912 he received an honorary doctorate (LLD) from Aberdeen University. Mackenzie was knighted by King George V in 1919 and was appointed by the Crown to the General Medical Council. He served as honorary secretary of the Section of State Medicine and as vice president of the Section of State Medicine and