Christopher John "C.J." Sansom is a British writer of crime novels. He was born in 1952 in Edinburgh, Scotland, and was educated at the University of Birmingham, where he took a BA and then a PhD in history. After working in a variety of jobs, he decided to retrain as a solicitor. He practised in Sussex as a lawyer for the disadvantaged, before quitting to work full-time as a writer. He currently lives in Sussex.