602 BELL SYSTEM TECHNICAL JOURNAL 



ment, American Telephone and Telegraph Company, 1917-19; De- 

 partment of Development and Research, 1919-. Mr. Nyquist has 

 been engaged in transmission work particularly relating to toll cables. 



H. S. OsBORXE, B.S., Massachusetts Institute of Technology, 1908; 

 Austin Research Fellow in Engineering, 1908-10; Eng.D., 1910; 

 American Telephone and Telegraph Company, Engineering Depart- 

 ment, 1910-19; Department of Development and Research, 1919-20; 

 Department of Operation and Engineering, 1920-. Mr. Osborne is 

 Transmission Engineer and as such is responsible for assisting the 

 Associated Companies in connection with telephone and telegraph 

 transmission and protection matters. 



J. C. Steinberg, B.Sc, M.Sc, Coe College, 1916, 1917; U. S. Air 

 Service, 1917-19; Ph.D., Iowa, 1922; Engineering Department, West- 

 ern Electric Company, 1922-25; Bell Telephone Laboratories, 1925-. 

 Dr. Steinberg's work since coming with the Bell System has related 

 largely to speech and hearing. 



H. M. Stoller, E.E., Union College, 1913; M.S. in Electrical En- 

 gineering, 1915; Engineering Department of Western Electric Com- 

 pany, 1914 and 1916-25; Bell Telephone Laboratories, 1925-. Mr. 

 Stoller's work has dealt with special problems connected with electrical 

 power machinery, particularly voltage and speed regulators; multi-fre- 

 quency generators employed in voice frequency carrier telegraph sys- 

 tems; and synchronization and speed control equipment for sound- 

 picture systems. 



W'lLLiAM Wilson, Victoria University of Manchester, 1904-10; 

 B.Sc, 1907; M.Sc, 1908; Cavendish Laboratory, Cambridge Univer- 

 sity, 1910-12, B.A., 1912; Lecturer in Physics, Toronto University, 

 1912-14; D.Sc Manchester, 1913. Engineering Department Western 

 Electric Company, 1914-24; 1925- Bell Telephone Laboratories; 

 Assistant Director of Research 1928-. Dr. Wilson has published 

 numerous papers on radioactivity and thermionics and since 1917 has 

 been in direct charge of vacuum tube development and design and since 

 1925 has also been in charge of radio development. 



