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Retired Marine Corps major and aviation writer whose bestselling 1950s books established the extraterrestrial hypothesis and government cover-up narrative in mainstream American culture.
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Longtime UFO researcher and editor whose multi-volume encyclopedia of cases and figures became the field's standard reference work.
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Prolific British-American author whose many books have examined a wide range of government-secrecy and conspiracy-adjacent UFO claims.
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Retired Army colonel whose posthumously controversial 1997 book claimed he personally oversaw the reverse-engineering of alien technology recovered at Roswell.
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Historian and author whose multi-volume history of alleged US government UFO secrecy has made him one of the field's most cited chronological researchers.
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British author whose bestselling 1987 book on alleged government UFO cover-ups became one of the most influential early works of modern popular ufology.
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Horror novelist turned memoirist whose bestselling 1987 account of a personal alien abduction experience became one of the most commercially influential works in abduction literature.
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Co-author of an influential early Roswell investigation who later publicly admitted to working with intelligence sources in ways that fueled controversy over disinformation in ufology.