Medical Jurisprudence in 1914. Mackenzie served as president of the Geographical Association for the year 1931 - 1932, making him one of the first health administrators to govern a geographic society. His contributions to the scientific literature helped establish the sub field of medical geography. Sir Leslie William Mackenzie died on 28 February 1935 in Edinburgh, after enduring a long illness and was cremated on 2 March. He was survived by his wife, who continued her social work. See also Edwin Chadwick Poor Laws References 19th-century Scottish medical doctors 20th-century Scottish medical doctors 1862 births 1935 deaths Knights Bachelor Fellows of the Royal Society of Edinburgh