Ruppelt, Captain Edward J. (1922–1960)
Head of the U.S. Air Force's investigation into unidentified
flying objects from 1951 to 1953. Upon taking charge of Project Blue
Book in 1952, he insisted upon the use of the term "unidentified flying
object" instead of "flying saucer" and introduced more rigorous procedures
for reporting and analyzing information on sightings. His experiences are
related in his 1956 book Report on Unidentified Flying Objects.1
- Ruppelt, Edward. The Report on Unidentified Flying Objects.
New York: Doubleday (1956).