Montgomery Cunningham Meigs (/ˈmɛɡz/; May 3, 1816 – January 2, 1892) was a career United States Army officer, civil engineer, construction engineer for a number of facilities in Washington, D.C., and Quartermaster General of the U.S. Army during and after the American Civil War.Meigs' record as Quartermaster General was regarded as exceptionally brilliant, both in effectiveness and in ethical probity, and Secretary of State William H. Seward viewed it as a key factor in Union victory.