Person
John Sedgwick
teacher, a career military officer, and a Union Army general in the American Civil War
John Sedgwick (September 13, 1813 – May 9, 1864) is a teacher, a career military officer, and a Union Army general in the American Civil War.
He is the highest ranking Union casualty in the Civil War, killed by a sniper at the Battle of Spotsylvania Court House.