160 BELL SYSTEM TECHNICAL JOURNAL 



Electric Company, 1918-25; Bell Telephone Laboratories, 1925-, As 

 Associate Research Metallurgist, Mr. Schumacher is in charge of a 

 group whose work relates largely to research studies on metals and 

 alloys. 



W. C. Ellis, Ch.E., Rensselaer Polytechnic Institute, 1924; Ph.D., 

 1927. Bell Telephone Laboratories, 1927-. Dr. Ellis has been en- 

 gaged in metallurgical studies on magnetic materials and copper alloys. 



A. M. Curtis, 1907-13: Radio Operator; Supervisor of Radio 

 System of Brazilian Lloyd; Exploration Work for Brazilian Gov- 

 ernment. Western Electric Company, 1913-17. Captain, Signal 

 Corps, A.E.F., 1917-19. Western Electric Company and Bell Tele- 

 phone Laboratories, 1919-. Mr. Curtis took part in the pioneer 

 transatlantic radio telephone tests of 1915 and was associated with the 

 development of permalloy loaded submarine cables and terminal appa- 

 ratus for their operation. As Circuit Research Engineer he is now in 

 charge of researches dealing with radio telephone terminals and similar 

 "voice-operated" apparatus and part of the research work on contact 

 operation. 



L. H. Germer, A.B., Cornell, 1917; M.A., Columbia, 1922; Ph.D., 

 Columbia, 1927. Engineering Department, Western Electric Com- 

 pany, 1917-25; United States Army, 1917-19; Bell Telephone 

 Laboratories, 1925-. Dr. Germer has been engaged upon work in 

 thermionics and electron scattering, and in more recent years upon 

 applications of electron diffraction to investigation of surface films and 

 surface chemistry. 



K. H. Storks, B.S. in Chemistry, Coe College, 1930. Bell Tele- 

 phone Laboratories, 1930-. Mr. Storks has been engaged in studies of 

 applications of electron diffraction to chemical problems. 



