Wikipedia:Articles for deletion/Gideon Polya
Sure the article is poorly written from more than one aspect, but this is not about CLEANUP.  From what I can tell there is quite sufficient to support  for  even if the subject does not meet a specific NSUBJECT.  The subject seems to be quoted across many genres and in many languages.  Just a very very small sample of what can be very easily found are
— NONE, NONE
Stance: keep
Cited policy: WP:NEXIST||WP:GNG (Wikipedia:Notability)