374 BELL SYSTEM TECHNICAL JOURNAL 



John R. Carson, B.S., Princeton, 1907; E.E., 1909; M.S., 1912; 

 Research Department, Westinghouse Electric and Manufacturing 

 Company, 1910-12; instructor of physics and electrical engineering, 

 Princeton, 1912-14; American Telephone and Telegraph Company, 

 Engineering Department, 1914-15; Patent Department, 1916-17; 

 Engineering Department, 1918; Department of Development and 

 Research, 1919-. Mr. Carson's work has been along theoretical lines 

 and he has published several papers on theory of electric circuits and 

 electric wave propagation. 



Karl K. Darrow, S.B., University of Chicago, 1911, University of 

 Paris, 1911-12, University of Berlin, 1912; Ph.D. in physics and 

 mathematics, University of Chicago, 1917; Engineering Department, 

 Western Electric Company, 1917-24; Bell Telephone Laboratories, 

 Inc., 1925-. Mr. Darrow has been engaged largely in preparing 

 studies and analyses of published research in various fields of physics. 



C. D. Hart, M.E., Cornell University, 1906; entered Western 

 Electric Company in Student Course at New York in 1906; trans- 

 ferred to Hawthorne in 1911, development work on the manufacture 

 of lead-covered cable; transferred to Tokyo, Japan, in 1913 to inaugu- 

 rate the manufacture of lead-covered telephone cable at the Nippon 

 Electric Company; returned to Hawthorne, December, 1915; 1916-20, 

 general foreman of Cable Shops, Metal Finishing Department and 

 Rubber Shops; 1920-23, manufacturing development work; 1923-, 

 Assistant Superintendent of Manufacturing Development. 



J. Herman, E.E., Lehigh University, 1920; Department of Develop- 

 ment and Research, American Telephone and Telegraph Company, 

 1920-. Mr. Herman has been engaged chiefly in telegraph trans- 

 mission development work and has been associated with the develop- 

 ment of voice-operated switching devices. 



H. F. Dodge, S.B., Mass. Inst. Tech., 1916; instructor in electrical 

 engineering, 1916-17; A.M., Columbia University, 1922; Engineering 

 Department of the Western Electric Company and Bell Telephone 

 Laboratories, 191 7-. Mr. Dodge was earlier associated with the 

 development of telephone instruments and allied devices, and is now 

 engaged in development work relating to the application of statistical 

 methods to inspection engineering. 



