352 BELL SYSTEM TECHNICAL JOURNAL 



cells, condensers, and other types of telephone equipment; and with 

 the investigation of the effects of atmospheric conditions upon the 

 performance of telephone apparatus. 



Ronald I\I. Foster, S.B., Harvard, 1917; American Telephone 

 and Telegraph Company, Engineering Department, 1917-19; De- 

 partment of Development and Research, 1919 — . 



Kt\RL K. Darrow, S.B., Uni\ersity of Chicago, 1911; University of 

 Paris, 1911-12; University of Berlin, 1912; Ph.D., in physics and 

 mathematics, University of Chicago, 1917; Elngineering Department, 

 Western Electric Company, 1917 — . At the Western Electric, Mr 

 Darrow has been engaged largely in preparing studies and analyses 

 of published research in various fields of physics. 



R. L. Wegel, A.B., Ripen College, 1910; assistant in physics, 

 University' of Wisconsin, 1910-12; ph\sicist with T. A. Edison, 

 1912-13; Engineering Department of Western Electric Company, 

 1914 — . Mr. Wegel has been closely associated with the development 

 of telephone transmitters and receivers, and has made important 

 contributions to the theory of receivers. 



Charles R. Moore, B.S. in Mechanical and Electrical Engineering 

 Purdue, 1907; E.E., Purdue, 1910; Instructor and Assistant Professor 

 Electrical Engineering, Purdue, 1907-13; Manager of LaFayette 

 Electric and Mfg. Co., 1913-14; Associate in Electrical Engineering, 

 University of Illinois, 1914-10; Engineering Department of the 

 Western Electric Co., 191G — . At the Western Electric, Mr. Moore, 

 for several years, has had charge of transmitter development work 

 and has contributed important inventions relating to telephone 

 instruments and acoustic dc\ices. 



Harry Nvquist, B.S. in electrical engineering. North Dakota, 

 1914; M..S., North Dakota, 1915; Ph.D.. Vale, 1917; Engineering 

 Department, American Telephone and Telegraph Company, 1917- 

 1919; Department of Development and Research, 1919 — . Mr. 

 Nyquist has been engaged in work on both direct current and carrier 

 telegraph systems as well as problems in line compositing. 



