Clason, Clyde B.: - Clyde B. Clason (1903-1987), was an American writer born in Denver, Colorado in 1903. He worked in advertising as a copywriter and editor. His main fiction series detective is Theocritus Lucius Westborough, a mild-mannered history professor who inexplicitly finds himself in the middle of murder mysteries. Clason is known as a 'locked room' mystery writer and specializes in trying to baffle the reader with intricate and elaborate plots.