Maps – Power, Plunder And Possession – Spirit of the Age – 19th Century London This clip tells the relationship between the disease spreading and mapmaking in London. This was aired Wed 2 March 2011. Map became the tool to understand the poverty as well as disease.

* The last census for England and wales was on 27 March 2011 and involved around 25 million household. *

More clips and stories are available on BBC Four website here.