Could you clarify who you mean? Some possibilities:
- Alice Walker – American author of The Color Purple (1982), winner of the Pulitzer Prize and National Book Award
- A web novelist or writer using "Purple" as a pen name
- An author whose full name contains "Purple"
If you can provide the author's full name, nationality, or any of their known works, I'd be happy to write the ~200-word English introduction you're looking for.