Matthew McDermott is an author, a consultant, and naked a lot of the time. As someone who discovered nudism in his adult life, he is working to increase the understanding and acceptance of non-sexual nudity.
He is an advocate for the benefits of social nudism for the physical, mental, and spiritual well-being of everyone.
His nudism-related publications include
How to Take Your Clothes Off: A Guide to Nudism for the Interested Beginner, available from Amazon in ebook and paperback formats.