* The name is misspelled: There might be a similar name with a slight variation.
* The author is relatively unknown: They may have written niche works or under a different name.
* The author is fictional: It's possible you've encountered this name in a fictional context.
Could you please provide more context or information about Wilfred Challenor, such as:
* Genre of their writing: (e.g., fiction, non-fiction, poetry)
* Any specific titles or works you've encountered:
* Any other details about their writing: (e.g., period they wrote in, nationality)
With more information, I might be able to assist you in finding information about this author.