Question: What is the nationality of the man whom Rocky Wood met, along with J. Allen Hynek, while researching extra-terrestrial life and UFO-related phenomenon?
Sentence (from "Close encounter"): This terminology and the system of classification behind it was started by astronomer and UFO researcher J. Allen Hynek, and was first suggested in his 1972 book "The UFO Experience: A Scientific Inquiry".
Relevant evidence: No