Contributors to This Issue 



J. G. Ferguson, B.S. in Electrical Engineering, Queen's University, 

 Canada. Northern Electric Company, 1923-1926; Bell Telephone Labora- 

 tories 1926-. During the war years, Mr. Ferguson developed various 

 telephone, radio and radar equipments. Prior to the war he developed 

 switching equipment for central offices and PBX's. He is currently inter- 

 ested in the design of No. 5 crossbar equipment. 



H. J. Fisher, E.E., Cornell University, 1920. U. S. Signal Corps, 1917- 

 1919. Western Electric Company, Engineering Department, 1920-1925. 

 Bell Telephone Laboratories, 1925-. Mr. Fisher has been engaged in the 

 development of toll transmission systems. Since 1940 and in his present 

 capacity as Test Engineer his work has had to do principally with system 

 testing equipment, and during the war with the development of radar testing 

 equipment for the Armed Forces. 



G. T. Ford, B.S. in Physics, Michigan State College, 1929; M.A. in 

 Physics, Columbia University, 1936. Bell Telephone Laboratories, 1929-. 

 Mr. Ford was concerned with some of the early work on thermistors, and, 

 since 1934, has been engaged in development work on small high vacuum 

 electron tubes. 



Calvin S. Fuller, B.S., Chicago, 1926; Ph.D., 1929. Bell Telephone 

 Laboratories, 1930-1942. Office of the Rubber Director, 1942-44. Bell 

 Telephone Laboratories, 1944-. Dr. Fuller has been engaged in the devel- 

 opment of organic insulations and the application of plastics to electrical 

 apparatus. 



E. I. Green, A.B., Westminster College, 1915; University of Chicago, 

 1915-1916; Professor of Greek, Westminster College, 1916-1917; U. S. 

 Army, 1917-1919 (Captain, Infantry); B.S. in Electrical Engineering, 

 Harvard University, 1921 ; Dept. of Development and Research, American 

 Telephone and Telegraph Company, 1921-1934; Bell Telephone Labora- 

 tories, 1934-. Mr. Green's responsibilities have had to do principally 

 with multiplex transmission systems, and during the war with radar 

 and other projects for the Armed Forces. In his present capacity as 

 Assistant Director of Transmission Development he is in charge of develop- 

 ment work on carrier telephone systems and on test equipment for toll 

 transmission systems. 



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