Identifying a Science Fiction Writer

The question asks to identify which author from the given list is known for writing science fiction. Let's look at each author:

• Walter Scott: Sir Walter Scott was a prolific Scottish poet and novelist famous in the late 18th and early 19th centuries. He is best known for his historical novels, such as Ivanhoe and Waverley. His works focus on historical settings and events, not science fiction.
• Isaac Asimov: Isaac Asimov was an American writer, and a highly prolific author of science fiction and popular science books. He is best known for his works of science fiction, including the Foundation series, the I, Robot series, and many standalone novels and short stories that explore themes like robotics, space exploration, and future societies. He is a foundational figure in the science fiction genre.
• Dan Brown: Dan Brown is an American author known for his thriller novels, particularly the Robert Langdon series, which includes titles like The Da Vinci Code and Angels & Demons. His books often involve secret societies, symbology, and fast-paced plots, falling into the thriller and mystery genres, not science fiction.
• George Eliot: George Eliot was the pen name of Mary Ann Evans, an English novelist prominent in the Victorian era. She is celebrated for her psychologically rich novels that explore realism and morality, such as Middlemarch and Silas Marner. Her work belongs to the genre of realist fiction, not science fiction.

Conclusion on Science Fiction Authors

Based on the analysis of the authors' works and genres:

• Walter Scott is a historical novelist.
• Isaac Asimov is a science fiction writer.
• Dan Brown is a thriller writer.
• George Eliot is a realist novelist.

Therefore, Isaac Asimov is the science fiction writer among the options provided.