Correspondence, memoranda, diaries, mss., speeches, transcripts of Bowles's recorded recollections, reports, minutes, subject files, notes, legal documents, printed materials, photographs, and other papers, relating primarily to Bowles's career as consultant with Raytheon Company and Whitin Machine Works, later White Consolidated Industries, and its subsidiaries; as a govenment consultant to the U. S. War Dept. during World War II, to the U. S. Dept. of Defense during the Korean War, and on the National Defense Research Committee (NDRC); and as private consultant for companies and individuals securing or defending patents, including Radio Corporation of America, Samson Electric Company, Sperry Gyroscope Company, Inc., Stockton Profile Gauge Corporation, United Artists Corporation, and Ernst F. W. Alexanderson, Edwin H. Armstong, Walter G. Cady, Alexander M. Nicholson, and George W. Pierce. Includes mateials concerning Bowles's association with Bentley College, Kodaly Musical Training Institute, Massachusetts Institute of Technology, and other educational facilities. Topics include Bowles's youth in Westphalia, Mo., M.I.T.'s electrical engineering program, NDRC Radiation Laboratory, the Round Hill Research Division, and the School of Industrial Management, later the Sloan School of Management; military research and strategy, anti-submarine warfare, and development of radar, torpedoes, and other weapons; reform of the patent system; Rand Corporation and the United States Air Force Project Rand; Raytheon Company's Submarine Signal Division; telephone systems and Bell Telephone Company; television frequency allocations; and individuals such as Vannevar Bush, Carlo Luigi Calosi, Karl T. Compton, Charles S. Draper, Ernst A. Guillemin, Ernest J. King, Samuel E. Morison, David Rines, and Robert A. Watson-Watt. Also includes papers of Gleason L. Archer, George A. Campbell, Hammond V. Hayes, and Harry E. Yarnell. Correspondents include Charles F. Adams, Jr., Henry H. Arnold, Harold G. Bowen, Vannevar Bush, Carlo Luigi Calosi, Alfred L. Loomis, Julius Adams Stratton, and Robert A. Watson-Watt.