Francis William Maclennan, Canadian mining engineer. Awarded William Lawrence Saunders gold medal, American Institute Mining and Metallurgical Engineers, 1931. Member American Institute Mining and Metallurgical Engineers, Mining and Metallurgical Society America, Canadian Institute of Mining and Metallurgy, Zeta Psi.
Engineer and assayer various mines in B.C., 1900-1903, later with mines in Oregon, Utah and Nevada. General superintendent mines, Cerro de Paseo Copper Company, Peru, 1907-1910. Examination and reports on mines in the United States, Canada and S.A., 1910-1913.
With Miami (Arizona) Copper corporation since 1913, as mine superintendent, 1919-1938, general manager, vice-president and construction engineering since 1938. Naturalized citizen of the United States, 1920.