Abstract The Dean R. Brimhall papers (1886-1980) consist mainly of the personal and professional papers of Dean R. Brimhall, a renowned psychologist and aeronautics enthusiast and safety advocate. Included are diaries, daybooks, business records, correspondence, speeches, and subject files relating to his work with the Psychological Corporation, Utah Pacific Airways, Works Progress Administration, and Civil Aeronautics Administration. Some personal materials of his wife, Lila Eccles Brimhall, are also...