John Greenewald Jr.Writing • 1981-04-17No biography available.Known For5.2National Geographic: Hitler and the Occult2007Fan ClubNo Nerds have favorited John Greenewald Jr. yet — be the first.All fan clubsFrom NerdspinFilmographyWriting2Actor3Production22016Doomsday: 10 Ways the World Will EndTVWriter • 1 episodes★ 7.52007National Geographic: Hitler and the OccultFilmWriter★ 5.2