182 BELL SYSTEM TECHNICAL JOURNAL 



Laboratories, 1930-. Mr. Rice has been concerned with various theoretical 

 investigations relating to telephone transmission theory. 



V. C. RiDEOUT, B.Sc. in Engineering Physics, University of Alberta, 1938; 

 M.S. in Electrical Engineering, California Institute of Technology, 1940. 

 Bell Telephone Laboratories, Inc., 1939-1946. Department of Electrical 

 Engineering, University of Wisconsin, 1946-. During the war Mr. Rideout 

 worked in the Research Department on various components for radar sys- 

 tems ; after the war he worked on frequency control systems and on interme- 

 diate frequency power amplifiers for microwave repeater systems. 



R. W. Sears, A.B. Ohio Wesleyan University, 1928; M.S., Ohio State 

 University, 1929. Columbia University, 1930-1935. Bell Telephone 

 Laboratories, 1929-. Mr. Sears has been engaged in research work on ther- 

 mionics and semiconductors. Since 1939 he has been primarily concerned 

 with the development of electron tubes. 



L. C. TiLLOTSON, B.S. in E.E., University of Idaho, 1938; M.S. in E.E., 

 University of Missouri, 1941. Instructor in Electrical Engineering, Univer- 

 sity of Missouri, 1940-41. Bell Telephone Laboratories, Inc., 1941-. 

 During the war Mr. Tillotson was engaged in the design and development 

 of wave filters and other transmission networks. In 1946 he was transferred 

 to the Radio Research Department and since that time has been concerned 

 with microwave repeater systems research. 



