ITV drama set in aristocratic house in Edwardian London explored class and social change, and won many awardsJean Marsh, the actor and writer best known for co-creating and starring in the 1970s TV show Upstairs, Downstairs, has died aged 90.The film-maker Michael Lindsay-Hogg, who was a close friend of Marsh, said she died of complications with dementia in her London home on Sunday. Continue reading...