CONTRIBUTORS TO THIS ISSUE 583 



Institute of Technology, 1926-28. Bell Telephone Laboratories, 

 1928-. Mr. Samuel has been engaged in research and development 

 work on vacuum tubes. 



C. C. Taylor, B.S. in Electrical Engineering, Colorado College, 

 1917. American Telephone and Telegraph Company, Long Lines 

 Department, 1920-28; Department of Development and Research, 

 1929-34. Bell Telephone Laboratories, 1934-. Mr. Taylor's work 

 has been concerned with radio-wire systems. 



L. R. Wrathall, B.S., University of Utah, 1927; Graduate School, 

 1927-28. Bell Telephone Laboratories, 1929- Mr. Wrathall has 

 been engaged in the study of non-linear reactances. 



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. 



