J. Sheridan LeFanu -- Irish author of such classics as the short vampire novel Carmella (reputed to be the inspiration for Bram Stoker's Dracula) and A Chapter in the History of the Tyrone Family (said to be the tale that gave rise to Emily Brontë's Wuthering Heights -- lived from 1814 until 1873. He wrote all sorts of tales, but he's best remembered as a writer of mysteries and horror.