Himself, Himself - Plasma Physicist, Himself - Engineer

Himself - Archaeologist, Himself - Director, Himself - Director, Maya Exploration Center

Himself

Himself - Investigative Reporter

Himself - Author

Himself - Eyewitness

Herself - Curator

Herself - Author, Herself - Founder, Mediterranian Institute for Ancient Civilizations

Herself - Astrophysicist

Himself - Author

Himself, Himself - Radio Host, Himself - Radio Host, Coast to Coast AM