 She died in September 1990 after three bone marrow transplants, aged six years and ten months.Her life was the subject of an ITV docu-drama "Fighting for Gemma" in 1993, detailing her family's attempts to bring a criminal case against BNFL for damages relating to her illness.Her mother Susan later wrote a book, "Still Fighting For Gemma" in which she voiced her criticisms of British Nuclear Fuels and the nuclear industry in general.