Biological Computer Laboratory (BCL) Contract and Conference File including material on contracts with the Air Force Office of Scientific Research (OSR), Aeronautical Systems Division, Aerospace Medical Research Laboratory and Systems Command; Office of Naval Research (ONR); National Science Foundation (NSF) (1961-63); Department of Health, Education and Welfare (1958-70); Army Research Office (1968-69); and National Aeronautics and Space Administration (1967-68). The series includes contracts on which director Heinz Von Foerster worked, including those for Air Force Air Materiel Command (1946-53), OSR (1954-58), Cambridge Research Center (1953-60), Army Air Forces (1946-51) and ONR (1947-55)and consulting projects with Westinghouse (1960-64), Army Research Office (1960-64) and NSF (1969-70). Subjects include physical electronics, components design, information transfer in living systems, cellular proliferation, mammalian auditory sustems, cognition, cybernetics, visual perception, notation of movement, mechanization of cognitive processes and man-machine interaction, electrical engineering, computers, art and design and memory and meetings of Institute of Electrical and Electronics Engineers (1964-69), American Society for Cybernetics (1967-71); NATO Advisory Board (1965, 1968) and the Annual Review of Electronics (1963-69, 1971); lectures to seminars, classes, clubs, and religious foundations; the Graduate College Centennial Committee; television presentations and visits by contract supervisors.