Deletion of Selby Whittingham

Comment: all his publications but one seem to be published by the same obscure society, possibly Whittingham himself wearing a different hat. There is no assertion (far less evidence) that I can see that Whittingham himself, rather than Turner, is notable: no articles about him, etc. There are no footnotes at all, unless you count LinkedIn (not a |reliable source for much of anything). Sole author of this unsourced BLP on an art expert is
Stance: comment
Cited policy: Wikipedia:Reliable sources (:WP:RS)