Jennifer Gibbons (1963-1993) was the twin sister of June-Alison Gibbons, author of The Pepsi Cola Addict. She wrote Discomania in the bedroom that she shared with June-Alison, who sat on a desk next to her writing The Pepsi-Cola Addict. Jennifer died on 9 March 1993, aged 29, while being transferred from Broadmoor Hospital, where the twins had been incarcerated for ten years, to a lower-security establishment. Known as ""The Silent Twins,"" the story of Jennifer and June-Alison Gibbons has been documented in books, documentaries, and a feature film.