In ufology, which UFO researcher first suggested a classification system with terminology in his 1972 book?

Correct answer: Josef Allen Hynek

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What people think about it: 2 Comments
TJ SISTA
TJ SISTA
I believe we have more than just our self's in this universe. An I'm sticking to it.
Snance
Snance
Everything is so far apart from everything in space. Maybe there is a grand design, but things are so far apart, that maybe we are not supposed to meet each other?