How many people alive today can say that their father was a Civil War soldier who shook hands with Abraham Lincoln in the White House? Fred Upham can. Despite sounding like a tall tale and a mathematical impossibility, it's documented truth. Fred's father, William, was a private in the Union Army's Second Wisconsin Volunteer Infantry Regiment. He was severely wounded at the First Battle of Bull Run, in 1861, and later personally appointed by President Lincoln to the U.S. Military Academy at West Point. Fred's in exclusive company—the dwindling group of children of soldiers who fought, North against South, 150...