David William Olien has studied the Civil War for half a century, beginning with a journey with his parents to Gettysburg National Battlefield during the nation’s Civil War Commemo...view moreDavid William Olien has studied the Civil War for half a century, beginning with a journey with his parents to Gettysburg National Battlefield during the nation’s Civil War Commemoration in 1861. He is retired from a career in government and higher education.view less