Contributors to this Issue 



J. R. Shea, B.S. in E.E., University of Wisconsin, 1909; Manu- 

 facturing Department, Western Electric Company, 1909-. Mr. Shea 

 is now Assistant Superintendent of the Manufacturing Development 

 Branch covering metal manufacturing and metallurgical work. 



S. McMuLLAN, M.A., McMaster University, Toronto, 1912, LL.B., 

 Chicago Kent College of Law, 1924; Manufacturing Department, 

 Western Electric Company, 1916-. Mr. McMullan is now Develop- 

 ment Engineer in the Manufacturing Development Branch on the 

 manufacture of copper rod and wire. 



C. 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 La Fayette 

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

 University of Illinois, 1914-16; Engineering Department of the 

 Western Electric Co., 1916-24; Bell Telephone Laboratories, Inc., 

 1925-, Mr. Moore for several years has been associated with trans- 

 mitter development work and has contributed important inventions 

 relating to telephone instruments and acoustic devices. 



A. S. Curtis, Ph.B., 1913, E.E., 1919, Sheffield Scientific School; 

 Instructor in Electrical Engineering, Yale University, 1913-17; 

 Engineering Department, Western Electric Company, 1917-24; Bell 

 Telephone Laboratories, Inc., 1925-. Mr. Curtis' work has been 

 connected with the development of telephone instruments. 



A. G. Landeen, E.E., University of Minnesota, 1910; incandescent 

 lamp development and manufacturing. General Electric Company, 

 1910-19; Engineering Department, Western Electric Company, 

 1919-24; Bell Telephone Laboratories, 1925-. 



Ralph B,own, M.E., 1913, M.M.E., 1915, PhD., 1917, Cornell 

 University; Captain Signal Corps, U. S. Army, 1917-19; Department 

 of Development and Research, American Telephone and Telegraph 

 Company, 1919-. Mr. Bown has been in charge of work relating to' 

 radio transmission development problems and recently has given 

 particular attention to the quantitative and engineering side of 

 transatlantic telephony. 



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