Description: Papers of Ralph E. Flexman (1916-2001), Direction of the Institute of Aviation (1968-1981), contain correspondence, brochures, publications, manuscripts, certificates, newspaper articles, and appointment papers concerning the Institute of Aviation, Aviation Research Laboratory, pilot training, and human factors research (how pilots work with the machines they fly), including "A Decade of the Institute of Aviation" (1979), lists of publications, "The Past, Present, and Future of the Aviation Research Laboratory," and "GAAS System: A Vehicle for Human Factors Research" (1981).