The New International Encyclopædia/Lockwood, Henry Hayes

LOCKWOOD, Henry Hayes (1814-90). An American soldier and authority on military tactics. He was born in Kent Coimty. Del., graduated at West Point in 1830. served in the Seminole War as a lieutenant in the Second Artillery, and resigned his commission in the next year. In 1841 he was made professor of mathematics at the United States Naval Academy, where from 1851 to 1866 he held the professorship oi field artillery and infantry tactics. He entered the Union Army in the Civil War as colonel of the First Delaware infantry, was commissioned a brigadier-general of volunteers on August 8, 1801, and served in the defenses of the lower Potomac. He commanded a brigade at Gettysburg, and in the winter of 1803-64 was commander of the Middle Department with headquarters at Baltimore. Later he took part in the Richmond campaign, lie was the author of Manual of Naval Batteries (1852), and Exercises in Small Arms and Field Artillery (1852).