Not the typical sports career: Football star begins college at Michigan, takes time off after his sophomore season to join the war effort, gets shot down over Europe and hidden from Nazis who were working next door, then returns to school after the war and plays two more seasons, making the cover of Time magazine. Bob Chappuis’ life in the 1940s “was a virtual movie script,” as Mark Snyder put it in the Detroit Free Press. Chappuis, a College Football Hall of Fame member who led the Wolverines to an unbeaten 1947 season and a win in the 1948 Rose…