Dr. Josef Allen Hynek was an American astronomer, professor, and UFO investigator officially appointed by the U.S. Air Force as a scientific consultant for three high-profile UFO investigations. Those investigations include Project Sign, Project Grudge, and Operation Blue Book, and range from 1947 to 1969, a span of 22 years.
UFO sightings continued to mount up during the 1960s; so many that Congress even began discussing the subject. In fact, between 1966 and 68, three open hearings on the subject of UFOs were conducted by the US House of Representatives. One such Congressional UFO hearing was held by the Committee