Deletion of Cheng-Siang Chen

Comment: I've fixed the url for the Encyclopedia Britannica reference, which verifies the facts in the article so it doesn't fail  any longer. As for notability, the fact that he was chosen to write such a high profile article for Britannica demonstrates that he is regarded as one of the leading experts in his field, as do http://books.google.co.uk/books?client=firefox-a&lr=&num=100&as_brr=0&q=%22Cheng-Siang+Chen%22+-inauthor%3AChen&btnG=Search+Books these 251 book references
Stance: keep
Cited policy: Wikipedia:Reliable sources (WP:RS)