* The name is misspelled. Double-check the spelling and try searching again.
* He is a relatively unknown rower. If he didn't compete at a high level, there may not be much information online about him.
* He may not be a rower at all. The name might be associated with someone in a different sport or profession.
To find more information, you could try:
* Searching for variations of the name.
* Specifying the location or time period.
* Checking rowing databases or websites.
* Contacting rowing organizations or local rowing clubs.
Please provide more information about John Badcock, such as his nationality, time period, or any other details, to help with the search.