John Greenewald Jr.

Writing

Known For

UFO

UFO

Self - The Black Vault

Unsealed: Conspiracy Files

Unsealed: Conspiracy Files

Self

Behind the Scenes

Doomsday: 10 Ways the World Will End

Doomsday: 10 Ways the World Will End

Writer

Doomsday: 10 Ways the World Will End

Doomsday: 10 Ways the World Will End

Producer

National Geographic: Hitler and the Occult

National Geographic: Hitler and the Occult

Writer

National Geographic: Hitler and the Occult

National Geographic: Hitler and the Occult

Producer

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