In a late video interview, Entrance...

In a late video interview, Entrances to the Past, Bill Smith, a preservation planner for the Massachusetts Historical Commission in Boston, speaks of the humiliation of maneuvering from one side alleys, back doors and kitchens to gain access to public buildings. With their narrow doorways and sometimes abrupt steps, historic structures are smooth trickier for Smith and others like him who use wheelchairs to memorize around.

While the 1990 Americans with Disabilities Act (ADA) has lowered barriers for the disabled, it has also created a quandary for holders of historic properties who are