Donald Edward Keyhoe (June 20, 1897 – November 29, 1988) was an American Marine Corps naval aviator, writer of aviation articles and stories in a variety of publications, and tour manager of aviation pioneer Charles Lindbergh. In the 1950s, Keyhoe became a UFO researcher and writer, arguing that the U.S. government should conduct research into UFO matters, and should publicly release all its UFO files. A biography by Linda Powell—Against the Odds: Major Donald E. Keyhoe and His Battle to End UFO Secrecy—was published in 2023. Source: Wikipedia (en)