348 BELL SYSTEM TECHNICAL JOURNAL 



H. L. Wills. Mr. Wills is Assistant to X'ice President and General 

 Manager, Georgia Power Company, Atlanta, Georgia. 



WiLLLVM 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; Assist- 

 ant 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. 



O. J. ZoBEL, A.B., Ripon College, 1909; A.M., Wisconsin, 1910; 

 Ph.D., 1914; instructor in physics, 1910-15; instructor in physics, 

 Minnesota, 1915-16; Engineering Department, American Telephone 

 and Telegraph Company, 1916-19; Department of Development and 

 Research, 1919-. Mr. Zobel has made important contributions to 

 electric circuit theory, which includes the subject of distortion correc- 

 tion as well as that of wave-filters. 



