Final answer:
Edgar Allan Poe is the Romantic writer who authored "The Raven," one of his most famous narrative poems characterized by dark themes and a haunting atmosphere.
Step-by-step explanation:
The Romantic writer who authored "The Raven" is Edgar Allan Poe.
This poem is one of his most famous works, exemplifying the dark romanticism and complex emotional states characteristic of Poe's writing.
Unlike other Romantic poets like Wordsworth and Shelley, who expressed more conventional themes of nature and beauty, Poe's work often explored themes of mystery and macabre.
"The Raven" itself is a narrative poem notable for its haunting atmosphere and the theme of loss and longing.