Wikipedia:Articles for deletion/Marius Dewilde
That means it was essentially  and against #NEWS. Particularly in the mid 20th century, a person claiming an extra-terrestrial encounter that generated temporary media coverage can hardly be said to be notable. It's not like there's even a section of the book dedicated to him (let alone an entire book or article), it looks like just a page in the book as an example
— User:Mikeman67, 01:38, 6 March 2014 (UTC)
Stance: comment
Cited policy: WP:ONEEVENT||WP:NOT (Wikipedia:Notability)