This archive contains FBI records on the enigmatic billionaire Howard Hughes (1905-1976). It documents Hughes’s activities in various enterprises including aircraft manufacture and aviation; the motion picture business; Las Vegas real estate; and the Nevada gaming industry. Hughes’s relationship with film stars, reports on his sex life, details on his disappearance in 1970, and Hughes’s contested will are also covered. Of particular interest are letters written by Hughes in his own handwriting. Documents include: “Congress Probes Ownership of Airlines Which Won Routes” (July 1945); “Background into an unnamed racketeer who was employed by Howard Hughes” (June 1946); “Report of the allegation that Howard Hughes had invited Bugsy Siegel as a guest for the inaugural flight of the ‘Constellation’ from Los Angeles to New York” (c. 1947); “Investigation in a forged handwritten will” (1981); among other fascinating records.