Curtis Roy, a Civil War buff, led Minnesota Historical Society board

On summer vacations, they'd pack into the family station wagon and head east to famous Civil War memorials such as Antietam, the site of the bloodiest single-day battle in American history in which more than 22,000 on both sides were killed, wounded or went missing. "We went to Civil War battlefields for Dad, and he went to Virginia Beach for us," recalled Mary Fisher, of Bloomington, one of his daughters.