When was the astronomer whose classification of close encounters with aliens was used to derive the title to "The Fourth Kind" born?
J. Allen Hynek Dr. Josef Allen Hynek (May 1, 1910 – April 27, 1986) was an American astronomer, professor, and ufologist. He is perhaps best remembered for his UFO research. Hynek acted as scientific advisor to UFO studies undertaken by the U.S. Air Force under three consecutive projects: Project Sign (1947–1949), Project Grudge (1949–1952), and Project Blue Book (1952–1969).
Philip Childs Keenan Philip Childs Keenan (March 31, 1908 – April 20, 2000) was an American astronomer.