Colney Hatch Asylum was an asylum for mentally deranged in Victorian London.
- Catharine Jewell (nurse)
- "Therefore I Am" (mentioned)
Behind the scenes
- In the real world Friern Hospital, formerly known as Colney Hatch Lunatic Asylum, was a psychiatric hospital in Colney Hatch (now London Borough of Barnet) district of London. It was in operation from 1851 to 1993. Real life Aaron Kosminski was insitutionalized in the Colney Hatch Lunatic Asylum from 1891 to 1894.