Dorothy Dunnett OBE was a Scottish historical novelist. She is best known for her six-part series about Francis Crawford of Lymond, The Lymond Chronicles, which she followed with the eight-part prequel The House of Niccolò. She also wrote a novel about the real Macbeth called King Hereafter and a series of mystery novels centered on Johnson Johnson, a portrait painter/spy.
Her New York times obituary is here.
Dorothy Dunnett Society: http://dorothydunnett.org
Fansite: http://www.dorothydunnett.co.uk/