Explanation:

- Option 1: Chinua Achebe

- Achebe is a renowned Nigerian author.

- Best known for "Things Fall Apart," a novel about African societies during colonialism.

- Option 2: Harper Lee

- Harper Lee penned "To Kill a Mockingbird."

- Her work explores themes of racial injustice in the American South.

- Option 3: F Scott Fitzgerald

- F Scott Fitzgerald wrote "The Great Gatsby."

- This novel delves into the American Jazz Age and critiques the American Dream.

- Option 4: Alice Walker

- Alice Walker is famous for "The Color Purple."

- Her work focuses on African American women's experiences.