A historian who spent 21 years working for The Coca-Cola Co. has driven off to Detroit to take a new post with Ford Motor Co. The Detroit Free Press reports that Ted Ryan, an Atlanta native, has in recent weeks joined Ford where he will organize, disseminate and preserve the history of the company. "Ryan has earned a global reputation, and he is a past chairman of the business archives section of the Society of American Archivists," the paper reports.