“To Kill and to Heal: Weapons and Medicine of the Civil War” opens May 11 at Lincoln Presidential Museum

The deadliest weapon of the Civil War was one that nobody could see, killing two soldiers for every one felled by gunfire.  The extraordinary casualties caused by that invisible killer, disease; the conventional weapons used to create slaughter on an unprecedented scale; horrific injuries suffered on the battlefield; and the heroic efforts of medical personnel to treat soldiers on both sides are ...