Campbell Armstrong (1944-2013) was an international bestselling author best known for his thriller series featuring British counterterrorism agent Frank Pagan, and his quartet of Glasgow Novels, featuring detective Lou Perlman. Two of these, White Rage and Butcher, were nominated for France's Prix du Polar. Armstrong's novels Assassins & Victims and The Punctual Rape won Scottish Arts Council Book of the Year Awards.

Born in Glasgow and educated at the University of Sussex, Armstrong worked as a book editor in London and taught creative writing at universities in the United States.