Wikipedia as a "French-born venture capitalist, computer scientist, author, ... and former astronomer," Jacques Vallée is also a ufological heretic. He dares to question the established dogma that UFOs are from outer space.
Vallée is a scientist and, as such, realizes that agnosticism is the proper scientific position concerning the origins of Earth's aerial anomalies and the entities who, seemingly, have hitched a ride. It certainly gives one pause when considering the other scientists in ufology who view the Extraterrestrial Hypothesis (ETH) as a given - or worse, a sacred cow.
The ETH seems to be nothing more than a modern Magonia; looking beyond the clouds, but still in the same general direction. Are we just advanced Cargo Cultists? Perhaps we're applying the same "logic" that tells us the Earth is flat. Something to keep in mind the next time you hear your favorite television ufologist using the terms UFO and ET as if they were interchangeable.
I'm sure that I'll be posting more on Dr. Vallée in the future; for now I'd like to share this great interview with him, courtesy of ufoevidence.org : http://www.ufoevidence.org/documents/doc839.htm