Stained glass windows in the stairway feature lillies and were added to the home in the 1970s by a woman who has gone on to become an accomplished restorationist, Mrs. <PERSON> said. The couple hired a Russian painter to paint and restore the doors and woodwork. A set designer repaired canvas ceilings in the rooms and installed the wallpaper, which Mrs. <PERSON> had researched extensively before selecting to make sure it was appropriate to the era in which it was built but not outdated. 'I didn't want it to look stuffy,' she said. 'I wanted it to look grand but accessible, paying respect to the architect... but it's absolutely not a museum.'