<http://schema.org/image_url>
"http://media.gulflive.com/mississippi-press-news/photo/c-everett-koop-650c69daddacf0b3.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://blog.gulflive.com/mississippi-press-news/2013/02/c_everett_koop_who_transformed.html>