Contributors to this Issue 



Charles R. Burrows, B.S. in Electrical Engineering, University 

 of Michigan, 1924; A.M., Columbia University, 1927; E.E., Univer- 

 sity of Michigan, 1935. Research Assistant, University of Michigan, 

 1922-23. Western Electric Company, Engineering Department, 1924- 

 25; Bell Telephone Laboratories, Research Department, 1925-. Mr. 

 Burrows has been associated continuously with radio research and is 

 now in charge of a group investigating the propagation of ultra-short 

 waves. 



R. F. Davis, B.E.E., Cornell University, 1921. American Tele- 

 phone and Telegraph Company, Department of Operation and En- 

 gineering, 192 1-. Mr. Davis' work has been largely concerned with 

 the electrical protection of communications circuits and with the 

 electrical coordination of such circuits with power transmission and 

 distribution circuits. 



S. O. Rice, B.S. in Electrical Engineering, Oregon State College, 

 1929; California Institute of Technology, 1929-30, 1934-35; Bell 

 Telephone Laboratories, 1930-. Mr. Rice has been concerned with 

 various theoretical investigations relating to telephone transmission 

 theory. 



A. L. Samuel, A.B., College of Emporia (Kansas), 1923; S.B. and 

 S.M. in Electrical Engineering, Massachusetts Institute of Tech- 

 nology, 1926. Instructor in Electrical Engineering, Massachusetts 

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

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

 work on vacuum tubes. 



Nelson E. Sowers, B.S. in Engineering Physics, 1924, University 

 of Illinois; M.A., Columbia University, 1927; Engineer-Physicist 

 (Professional), University of Illinois, 1936. Engineering Department, 

 Western Electric Company, 1924-25. Bell Telephone Laboratories, 

 Inc., 1925- Since 1931, Mr. Sowers has been engaged in studies per- 

 taining to amplifiers for ultra-high radio frequencies. 



M. E. Strieby, A.B., Colorado College, 1914; B.S., Harvard, 1916; 

 B.S. in E.E., Massachusetts Institute of Technology, 1916; New York 



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