The clash at Chancellorsville in 1863 was an enormously complex ten-day campaign. At its conclusion, General Joseph Hooker, the confident commander of the Army of the Potomac, was in disgrace, while Confederate General Robert E. Lee had won a decisive victory but at the loss of the irreplaceable "Stonewall" Jackson, killed by friendly fire.At age nineteen Theodore Ayrault Dodge volunteered for the Union cause. As part of the Eleventh Corps--surprised...