Contributors to this Issue 



Walter L. Bond, B.S. in Physics, Washington State College, 1927; 

 M.S. 1928. Member of Technical Staff, Bell Telephone Laboratories 1928-. 

 Studied at Columbia University, New York University, and Stevens Insti- 

 tute. Engaged primarily in studies of the physical properties of crystals. 



G. M. BouTON, Ch.E., Brooklyn Polytechnic Institute, 1926. Bell 

 Telephone Laboratories, 1926-. Mr. Bouton is in charge of a group con- 

 cerned primarily with the metallurgy of lead cable sheath alloys and solders 

 and with general microscopic examination of metallic materials. 



Karl K. D.arrow, B.S., University of Chicago, 1911; University of 

 Paris, 1911-12; University of Berhn, 1912; Ph.D., University of Chicago, 

 1917. Western Electric Company, 1917-25; Bell Telephone Laboratories, 

 1925-. As Research Physicist, Dr. Darrow has been engaged largely in 

 writing on various fields of physics and the allied sciences. 



G. S. Phipps, B.S. in Electrochemical Engineering, Pennsylvania State 

 College, 1930; M.S. in Metallurgy, Columbia University, 1939. Bell Tele- 

 phone Laboratories, 1930-. Mr. Phipps has been engaged principally in 

 the metallurgical investigation of solders and lead base alloys. 



S. A. ScHELKUNOFF, B.A., M.A. in Mathematics, The State College of 

 Washington, 1923; Ph.D. in Mathematics, Columbia University, 1928. 

 Engineering Department, Western Electric Company, 1923-25; Bell Tele- 

 phone Laboratories, 1925-26. Department of Mathematics, State College 

 of Washington, 1926-29. Bell Telephone Laboratories, 1929-. As Con- 

 sultant in Electromagnetic Theory, Dr. Schelkunoff is engaged in mathemat- 

 ical research in the theory of antennas, wave guides and cavity resonators. 



Earle E. Schumacher, B.S., University of Michigan; Research Assistant 

 in Chemistry, 1916-18. Engineering Department, Western Electric Com- 

 pany, 1918-25; Bell Telephone Laboratories, 1925-. As Research Metal- 

 lurgist, Mr. Schumacher is in charge of a group whose work relates largely 

 to research studies on metals and alloys. 



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