674 BELL SYSTEM TECHNICAL JOURNAL 



Western Electric Company, Engineering Department, 1923-25; Bell 

 Telephone Laboratories, 1925-. Mr. Murphy's work is largely con- 

 fined to the study of the electrical properties of dielectrics. 



A. C. NoRWiNE, A.B., University of Missouri, 1923; B.S. in Elec- 

 trical Engineering, 1924; E.E., 1925. Bell Telephone Laboratories, 

 1925-. Mr. Norwine has been principally engaged in studies of the 

 effects of transmission delay and voice operated devices on toll tele- 

 phone circuits. 



A. J. Rack, B.S. in Electrical Engineering, University of Illinois, 

 1930; M.A. in Physics, Columbia University, 1935. Bell Telephone 

 Laboratories, 1930-. Starting with radio research, Mr. Rack has more 

 recently been engaged in the analysis of special problems arising in 

 amplifier circuits. 



E. F. Watson, M.E., Cornell University, 1914. American Tele- 

 phone and Telegraph Company, Engineering Department, 1914-19; 

 Department of Development and Research, 1919-34. Bell Telephone 

 Laboratories, 1934-. Mr. Watson has been concerned with the de- 

 velopment of various types of telegraph equipment, particularly 

 teletypewriters, telephotograph equipment, telegraph maintenance 

 and testing equipment, grounded telegraph systems and regenerative 

 telegraph repeaters. His present work as Teletypewriter Engineer is 

 along these same lines. 



S. B. Wright, M.E. in Electrical Engineering, Cornell University, 

 1919. Engineering Department and Department of Development and 

 Research, American Telephone and Telegraph Company, 1919-34; 

 Bell Telephone Laboratories, 1934-. Mr. Wright is engaged in trans- 

 mission development of radio systems. 



