Deletion of G. A. den Hartogh

Comment: In addition to the above, in 2009 a festchrift in honor of his retirement was publishedhttp://books.google.com/books?id=DJNqPgAACAAJ&dq=Als+vuur+:+opstellen+voor+Govert+den+Hartogh+ter+gelegenheid+van+zijn+emeritaat&ei=xq9xS9TKJ5PyNNO8oMIK&cd=1. I have added a ref to the article. Passes 
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROF)