Duane, James Chatham
James Chatham Duane, 1824–97, American army engineer, b. Schenectady, N.Y., grad. Union College, 1844, and West Point, 1848; grandson of James Duane. In the Civil War he organized the engineer equipage of McClellan's army (1861–62) and commanded a battalion of engineers in the Peninsular campaign. Duane was chief engineer of the Army of the Potomac in the Antietam campaign (1862) and from July, 1863, to the end of the war. He was brevetted brigadier general for his service in the siege of Petersburg (1864). After the war he served on numerous engineering commissions and official boards.