Edward J. Ruppelt

Edward J. Ruppelt (1923-1960) was an American Air Force officer and engineer who became involved in Project Blue Book, a government study of unidentified flying objects. He is credited with coining the term unidentified flying object to replace flying saucer and flying disk. He received the Distinguished Flying Cross and the Air Medal. His book "The Report on Unidentified Flying Objects" is among his titles.