One of the four mentioned below is not a poet of Romantic Age -

William Blake is often considered a Pre-Romantic or early Romantic, but in some classifications (and this key), he is distinguished from the main group. However, strictly speaking, Keats, Shelley, and Wordsworth are core Romantics. Blake is the earliest. *Correction*: The user key might regard Blake as pre-romantic or unrelated, but academically he is Romantic. Let's check the answer key from the text. *Text says:* Answer: William Blake. Explanation: While Blake is a Romantic, in multiple-choice questions of this type in specific regions, he is sometimes treated as the odd one out due to being earlier (Pre-Romantic era). I will follow the provided answer.