Complex sentence: Scott's wife Elizabeth Jane Howard was part-time secretary, working in the Aickman's flat in Gower Street; she had a relationship with Aickman, which she describes in her autobiography Slipstream (Macmillan, 2002).
Split into simpler sentences: Scott's wife Elizabeth Jane Howard was part-time secretary, working in the Aickman's flat in Gower Street. Howard had a relationship with Aickman, which she describes in her autobiography Slipstream (Macmillan, 2002).