It is unfortunately clear that members of the battalion are using drugs, and I am of the opinion that neither Lieut. Col. McKenzie nor Captain George are making any effort to check this pernicious and demoralizing habit.
(Gen. H. N. Ruttan to GOC, MD 10, 21 Apr 1917)
Born on 30 October 1871 in Hamilton Ontario, David Croal McKenzie was a militiaman, municipal politician and physician. He started a medical practice in the Rainy River District after graduating from the University of Toronto in 1897 and established the first private hospital at Fort Frances in 1902. He was later a six-term mayor of Fort Frances (1906, 1913, 1914, 1915 and 1919).