CONTRIBUTORS TO THIS ISSUE 729 



Telephone and Telegraph Company, Department of Operation and 

 Engineering, 1930-. Mr. Huntley's work has been concerned prin- 

 cipally with transmission and inductive coordination matters. 



Dr. Jewett, as Vice President of the American Telephone and 

 Telegraph Company and President of the Bell Telephone Laboratories, 

 needs no introduction to Technical Journal readers. 



S. A. Levin, E.E., Chalmers Technical Institute, Gothenburg, 1919; 

 Technische Hochschule, Berlin, 1920-21; Technische Hochschule, 

 Dresden, 1921-23. Radio Department, General Electric Company, 

 Schenectady, N. Y., 1923-26; Engineering Departm.ent, National 

 Electric Light Association, New York, N. Y., 1926-30; Bell Telephone 

 Laboratories, 1930-. Mr. Levin's work has to do with the develop- 

 ment of high-frequency measuring equipment for carrier systems. 



Frederick B. Llewellyn, M.E., Stevens Institute of Technology, 

 1922; Ph.D., Columbia University, 1928. Western Electric Company, 

 1923-25; Bell Telephone Laboratories, 1925-. Dr. Llewellyn has been 

 engaged in the investigation of special problems connected with radio 

 and vacuum tubes. 



W. P. Mason, B.S. in Electrical Engineering, University of Kansas, 

 1921; M.A., Columbia University, 1924; Ph.D., 1928. Bell Telephone 

 Laboratories, 192 1-. Dr. Mason has been engaged in investigations 

 on carrier transmission systems and more recently in work on wave 

 transmission networks, both electrical and mechanical. 



R. B. Meader, B.S., University of New Hampshire, 1921. New 

 England Telephone and Telegraph Company, 1922-. Since 1930 Mr. 

 Meader has worked chiefly on radio telephone field strength surveys 

 and other activities leading to the establishment of the Green Harbor 

 Radio Telephone Station and the development and operation of the 

 Boston Marine Radio Telephone Service. 



E. J. O'Connell, B.S., Northwestern University, 1924. American 

 Telephone and Telegraph Company, Long Lines Department, 1924-25 ; 

 Illinois Bell Telephone Company, Engineering Department, 1925-28; 

 American Telephone and Telegraph Company, Department of Opera- 

 tion and Engineering, 1928-. Mr. O'Connell's work has been con- 

 cerned principally with inductive coordination matters. 



Liss C. Peterson, E.E., Chalmers Technical Institute, Gothenburg, 

 1920; Technische Hochschule, Charlottenburg, 1920-21; Technische 

 Hochschule, Dresden, 1921-22; Signal Corps, Swedish Army, 1922-23. 



