He was also a long-time maintainer of the Usenet Physics FAQ and has been writing about physics and mathematics on the internet for decades. So not only is he t

He was also a long-time maintainer of the Usenet Physics FAQ and has been writing about physics and mathematics on the internet for decades. So not only is he the real deal in terms of knowledge, he also has a long history of communicating that knowledge to the public, albeit typically for a more advanced audience.