Dr Jekyll and Sister Hyde (1971). Roy Ward Baker’s (1916–2010) Hammer Horror production Dr Jekyll and Sister Hyde is one of many to connect J. R. Stevenson’s classic story with Jack the Ripper. Stevenson’s novella was published in 1886, two years before the first known ripper murder, and the action of the original story is mostly Soho. However, the notoriety of the Whitechapel murders made the East End the most resonant location for the many remakes and adaptations that followed. Baker’s film moves between a house seemingly on the border between respectable London and a perennially foggy and labyrinthine Whitechapel where all women are young prostitutes, all men rowdy, working class drinkers and where murdered women can be dissected in the alleyways without too much notice. Dr Jekyll, played by Ralph Bates in distinctly Wildean coiffure, enters this warren to harvest the “female hormones” that he hopes to distill into an “elixir of life”. It remains unclear in the film if the elixir confers immortality, but it does transform Dr Jekyll into a dark and voluptuous Miss Hyde played by Martine Beswick. Jekyll’s female persona becomes increasingly dominant, forcing her male double to continue the Whitechapel killings by which the hormones to the elixir are procured, and committing the murders herself when needed.