The term "deviant" can also be quite broad, and without more context, it's challenging to provide a relevant response.

If you could provide more context or clarify your question, I'd be more than happy to try and assist you with a useful and informative response.

Alternatively, if you're looking for information on David Kelley, an American sociologist, or David Kelly, a British microbiologist, I can try to provide some general information on their work and contributions.