In 1861, as President Lincoln called for volunteers to defend the Union, Thomas Christie wrote to his father, voicing desires shared by many an enlistee: "I do want to 'see the world,' to get out of the narrow circle in which I have always lived, to 'make a man of myself,' and to have it to say in days to come that I, too, had a part in this great struggle."<br /><br />As it turned out, Thomas had an excellent partner in his quest:...