Contributors to this Issue 



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 com- 

 munication. 



¥. A. Cowan, B.S. in Electrical Engineering, Georgia School of Tech- 

 nology, 1919. American Telephone and Telegraph Company at Atlanta, 

 Ga., 1920; Long Lines Engineering Department, Special Service Group, 

 New York, 1922; Division Transmission Engineer, Division No. 1, New 

 York, 1926; Engineer of Transmission, Long Lines Department, 1928; 

 Engineering Department, American Telephone and Telegraph Company, 

 New York, 1940 -. Mr. Cowan is Transmission Engineer and as such is 

 responsible for assisting the Associated Com.panies in connection with 

 telephone and telegraph transmission and protection matters. 



R. V. L. Hartley, A.B., Utah, 1909; B.A., Oxford, 1912; B.Sc, 1913; 

 Instructor in Physics, Nevada, 1909-10. Engineering Department, Bell 

 Telephone Laboratories, 1913-. Mr. Hartley took part in the early radio 

 telephone experiments and has since been associated with research on te- 

 lephony and telegraphy at voice and carrier frequencies. As Research 

 Consultant he is concerned with general circuit problems. 



Irving E. Lattimer, B.E.E., University of Michigan, 1913. Central 

 Union Telephone Company, Engineering Department, Chicago, 1913-14; 

 Chicago Telephone Company, Engineering Department, 1914-18. Ameri- 

 can Telephone and Telegraph Company, Long Lines Engineering De- 

 partment, New York, 1918-. Mr. Lattimer is Transmission Methods 

 Engineer. 



R. G. McCuRDY, B.S., University of California, 1913. Pacific Gas and 

 Electric Company, 1913; Joint Committee on Inductive Interference (Cal- 

 ifornia), 1913-1916. American Telephone and Telegraph Company, 1916- 

 1934; Bell Telephone Laboratories, Inc., 1934-. Assistant Director of 

 Transmission Development, 1937-1939; Director of Transmission Engi- 

 neering, 1939-. 



253 



