Contributors to this Issue 



Alfred C. Beck, E.E., Rensselaer Polytechnic Institute, 1927. 

 Test Department, New York Edison Company, summers 1926 & 27. 

 Instructor in mathematics, Rensselaer Polytechnic Institute, 1927-28. 

 Member, Technical Staff, Bell Telephone Laboratories, 1928-. 



W. R. Bennett, B.S., Oregon State College, 1925; A.M., Columbia 

 University, 1928. Bell Telephone Laboratories, 1925-. Mr. Bennett 

 has been engaged in the study of the electrical transmission problems of 

 communication. 



H. W. Bode, A.B., Ohio State University, 1924; M.A., 1926; Ph.D., 

 Columbia University, 1935. Bell Telephone Laboratories, 1926-. 

 Dr. Bode has been engaged in the study of transmission networks, such 

 as wave filters, attenuation equalizers, and phase correctors. 



R. P. Booth, S.B. in Electrical Engineering, Massachusetts Insti- 

 tute of Technology, 1925. American Telephone and Telegraph Com- 

 pany, Department of Development and Research, 1925-34; Bell 

 Telephone Laboratories, 1934-. Mr. Booth's work has had to do 

 mainly with studies of crosstalk in open-wire and toll cable circuits. 



Edmond Bruce, B.S., Massachusetts Institute of Technology, 1924. 

 Radio service, U. S. Navy, 1917-19. Western Electric Company, 

 1924-25; Bell Telephone Laboratories, 1925-. Mr. Bruce has been 

 engaged in the development of short-wave radio receivers and field- 

 strength measuring equipment, and has specialized in directive antenna 

 systems for short-wave radio communication. He was awarded the 

 Morris Liebmann Memorial Prize by the Institute of Radio Engineers 

 in 1932. 



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

 of Michigan, 1924; A.M., Columbia University, 1927. 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. 



Karl K. Darrow, B.S., University of Chicago, 1911 ; Ihiiversity of 

 Paris, 1911-12; University of Berlin, 1912; Ph.D., University of 



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