NOV 4 1963 bio-dynamics ONE MAIN STREET, CAMBRIDGE, MASSACHUSETTS INCORPORATED 10/21/63 Dr, J. Ledergerg Stanford University Stanford, California Dear Dr. Ledergerg: The National Aeronautics and Space Administration is currently supporting a study of the channels for transfer of information from NASA supported research efforts into the biomedical field. As part of this effort we are undertaking to survey a group of aerospace research scientists doing work sponsored by NASA, and who are working on, or have published papers on, projects which hold particular significance in the biomedical field. The object of this survey is twofold. It is first, an attempt to evaluate the effectiveness of current scientific communication media on the dissemination of important research results. Second, it is intended to determine whether it is possible, or desirable, to devise new or supplementary scientific communication procedures in order to facilitate transfer of multi-disciplinary NASA-supported research into biomedicine, The results of such a study are extremely important since the findings should be applicable not only to NASA-supported research but could be extrapolated to the problem of interdisciplinary scientific communication in general. I would greatly appreciate your cooperation in filling out and returning the enclosed questionnaire. As a scientist you realize that the problem of selectivity has resulted in a small sample size and the results of each questionnaire assume considerable importance, Bureau of the Budget approval no, 104-63-6303 Approval expires January 31, 1964. hed human factors | physiological monitoring | bionics I should like to emphasize that these questionnaires are not an attempt to assess progress, all information received is confidential, , and use of information will be statistical and non-specific as to origin, Bureau of the Budget Approval no. 104-63-6303 Approval Expires January 31, 1964. Sincerely, Gathur B, (eLlrhoww’ Arthur B, Callahan, Ph.D. Research Fellow in Physics (Medicine)