Stanton Friedman is convinced that extraterrestrial aliens are visiting us, and have been for a long time. There's nothing odd about that; many people believe in UFOs and aliens.
But Friedman is not your typical tin foil-hatted UFO nut. For one thing, he has a Master's degree in nuclear physics and worked for decades on fusion and fission rockets for some of the world's top aerospace companies.

Friedman joins other famous people with advanced degrees who are firmly convinced about things for which there is little hard evidence. Former Apollo astronaut Edgar Mitchell, for example, shares Friedman's beliefs about UFOs and alien cover-ups (Mitchell admits that he never saw any UFOs during his time with NASA, but believes that in 1947 Roswell, New Mexico...

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