The author of 'The Oval Portrait' is-

• Edgar Allan Poe is an American Short Story writer and literary critic.
• He is The Father of English Short Story and Modern Detective Story.
• His famous short stories:
- The Tell Tale Heart,
- The Raven,
- The fall of the house of usher,
- The Black Cat,
- The Oval Portrait,
-The Gold Bug,
- The Light House.
Source: ওয়েবসাইট Lecture and Encyclopedia of Britannica.