It's possible that:
* There's a misspelling: Check if the author's name is spelled differently. Try searching for variations like "Donald Winters", "Don Winters", or "D.L. Winters".
* The author is relatively unknown: It's possible that this author has published independently or under a different name.
* The author is fictional: Perhaps you've encountered this name in a book or a work of fiction.
Could you please provide more context or details about the author or their work? This will help me identify the author you're looking for.