A. J. Cronin

Archibald Joseph Cronin was a Scottish novelist, dramatist, and non-fiction writer who was one of the most renowned storytellers of the twentieth century. His best-known works are The Citadel and The Keys of the Kingdom, both of which were made into Oscar-nominated films. He also created the Dr. Finlay character, the hero of a series of stories that served as the basis for the long-running BBC television and radio series entitled Dr. Finlay's Casebook.

-Wikipedia: http://en.wikipedia.org/wiki/A.J._Cronin