Josef Allen Hynek (May 1, 1910 – April 27, 1986). American astronomer, professor, and ufologist. Hynek acted as scientific advisor to UFO studies undertaken by the U.S. Air Force under three projects: Project Sign (1947–1949), Project Grudge (1949-51) and Project Blue Book (1952–1969). In later years he conducted his own independent UFO research, developing the "Close Encounter" classification system. He was among the first people to conduct scientific analysis of reports and especially of trace evidence purportedly left by UFOs. One of the most influential people in the history of UFOlogy. 22 of 49 in the Lazar 49 series.