Contributors to this Issue 



J. B. FiSK, S.B. in Aeronautical Engineering, Massachusetts Institute of 

 Technology, 1931; Redfield Proctor Traveling Fellow, Trinity College, 

 Cambridge, 1932-34; Ph.D. in Physics, M.I.T., 1935; Junior Fellow, Har- 

 vard University, 1936-38; Associate Professor of Physics, University of 

 North Carolina, 1938-39; Bell Telephone Laboratories 1939-. Engaged in 

 magnetron work in the Electronics Research Department during the war; 

 now in the Physical Research Department. 



Homer D. Hagstrum, B.E.E., 1935; B.A., 1936; M.S., 1939; Ph.D. in 

 Physics, 1940, University of Minnesota; Research and Teaching Assistant- 

 ship, University of Minnesota, 1936-40; Bell Telephone Laboratories, 1940-; 

 engaged in the development of magnetrons during the war in the Electronics 

 Research Department; now in the Physical Research Department. 



Paul L. Hartman, B.S. in E.E., University of Nevada, 1934; Ph.D. in 

 Physics, Cornell University, 1938; Instructor in Physics, Cornell University, 

 1938-9; Bell Telephone Laboratories 1939-; has been a member of the 

 Electronics Research Department, being engaged during the war in the 

 development of magnetrons; now in the Physical Research Department. 



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