Contributors to this Issue 



H. R. Friis, K.H., Royal Ti-chnical College in Copenhagen, 1916; 

 Columbia University, l'.)ll)-ll>20. Research Department, Western 

 Klectric Company, 19'2(> — . Mr. Friis' work has been largely in con- 

 nection with radio reception methods and measurements. He has 

 pul>lishe<l papers on vacuum tubes as generators, radio transmission 

 measurements and static interference. 



.A. Ci. Jensen, E.E., Royal Technical College of Copenhagen, 1920. 

 Research Assistant to Professor P. O. Pedersen, 1920-21. Columbia 

 University, 1921-22. Research Department, Western Electric 

 Company, 1922 — . Mr. Jensen has been mainly engaged in work re- 

 lating to radio reception methods and measurements. 



D. D. Mii,i,i:r. B.S. in electrical engineering, Tennessee, 1909. 

 Installation Department, Western Electric Company-, Hawthorne, 

 1909-1910. Physics Laboratory, Flnginecring Department, New 

 York, 191Q-1917. Apparatus Development, 1917 — . Mr. Miller is 

 in charge of the design of relays and has contributed much to the 

 development of the modern flat types of relays which combine cheap- 

 ness of manufacture with impro\ed operating characteristics. 



I. B. Cr.\xd.\i,l, A.B., Wisconsin, 1909; A.M., Princeton, 1910; 

 Ph.D., 1916; Professor of Physics and Chemistry, Chekiang Pro- 

 vincial College, 1911-12; Engineering Department, Western Electric 

 Company, 1913 — . Dr. Crandall has published papers on infra-red 

 optical properties, condenser transmitter, thermophone, etc. More 

 recently he has been associated with studies on the nature and 

 analysis of speech which have been in progress in the Laboratory. 



C. F. S.\ci.\, B.E.E., University of Michigan, 1916; Engineering 

 Department of the Western Electric Company, 1916 — . Mr. Sacia 

 has been engaged upKin methcxls for recording and analysis of speech. 



E. B. Wheeler, B.S., I'niversity of Illinois, 1905. Engineering 

 Department, Western Electric Company, Chicago, 190.S-1907. 

 Engineering Department, Western PLIectric Company, New York. 

 Physical Laboratory, 1907-1921. General Development Laboratory, 

 1921 — . Mr Wheeler has been actively connected with the develop- 

 ment of improved types of switchboard and telephone cords, dry 



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