writer's fingerprint

a great many years ago the writer's group I belong to did a contest. Everyone submitted one sentence from a book they had written and the group had to match the writer to the sentence. While it is hard to believe, the 30 some authors who participated managed to correctly identify the vast majority of the writers. So it is no surprise that this study (below) has found the same thing

Formula to detect an author’s literary ‘fingerprint’

ScienceDaily (2009-12-10) -- Using literature written by Thomas Hardy, DH Lawrence and Herman Melville, physicists in Sweden have developed a formula to detect different authors’ literary ‘fingerprints’. ... > read full article