Role in establishment of American Institute of Physics (AIP) in 1931; relation between American Association of Physics Teachers (AAPT) and American Physical Society (APS); views of Floyd Richtmyer and Karl K. Darrow. Physics in the 1930s, effects of the Depression. The Oersted Medal, 1934. Secondary school teachers and AAPT; fear within AIP of industrial domination. World's Fair of 1933. Robert W. Wood, chairman of governing board of the AIP, 1941-1948. War work: chief of Physics Special Devices Div. of National Defense Research Council (NDRC). War's effect on status of teachers. Postwar planning in physics; National Science Foundation, AEC, Bush Report. Chairman of Board at Argonne National Laboratories (ANL); structure of ANL. AIP-AAPT and large-scale fellowship support. Also prominently mentioned are: Henry Askew Barton, W. W. Buffum, Winston Churchill, Karl Taylor Compton, Morris Leeds, Alfred Loomis, Floyd K. Richtmyer, Robert Williams Wood; American Association for the Advancement of Science, Bausch and Lomb Co., Central Scientific Company, Century of Progress International Exposition (1933-1934), Commission on College Teaching, National Research Council (U.S.), Optical Society of America, Research and Technological Institute, Review of Scientific Instruments, Scientific Apparatus Makers of America, United States Air Force Office of Scientific Research, United States Congress, United States Congress Dadario Committee, United States Congress House Sub-Committee on Appropriations, United States Department of Health, Education and Welfare, United States Office of Scientific Research and Development National Defense Research Committee, and University of Chicago.