"And then there are his paintings of nudes — sometimes languorous and erotic, where the artist's eye is the fourth unseen wall. Others are staged self portraits of Koch as the artist with models appearing more naked than they would have for the presence of his fully dressed and distracted figure along side them." http://www.advocate.com/arts-entertainment/art/artist-spotlight/2013/07/27/artist-spotlight-john-koch?page=0,0