Langdon Down was once a progressive hospital, now it's the first museum to people with learning disabilities. Terry Philpot takes a tour Normansfield hospital in south London is long gone but behind builders' fencing one can still glimpse the many flourishing trees on the 42 acres where hundreds of learning disabled people once lived. It was founded in 1868 and closed in 1997, when the residents went to live in different community placements. But, unlike some of the old-long stay hospitals, which ringed London, this site has not entirely succumbed to developers. Housing sympathetic to the...