I read about him once. They found his diary after he died. he kept it a secret even from his family.
The Untold UFO War in Antarctica. Part 2
http://www.youtube.com/watch?v=97YkOWwUE2Y
The Untold UFO War in Antarctica. Part 2
http://www.youtube.com/watch?v=Rn0prGhLCR8
The Untold UFO War in Antarctica. Part 3
http://youtube.com/watch?v=Rn0prGhLCR8
Hollow Earth
http://www.youtube.com/watch?v=L9VoLStjf0A&mode=related&search=
Discovery Channel/Hollow Earth
http://www.youtube.com/watch?v=8iyLYj796xc