582 BELL SYSTEM TECHNICAL JOURNAL 



J.M.Manley, B.S. in Electrical Engineering, University of Missouri, 

 1930; Bell Telephone Laboratories, 1930-. Mr. Manley has been en- 

 gaged principally in theoretical studies of non-linear electrical circuits. 



W. P. Mason, B.S. In Electrical Engineering, University of Kansas, 

 1921 ; M.A., Columbia University, 1924; Ph.D., 1928. Bell Telephone 

 Laboratories, 192 1-. Dr. Mason has been engaged in investigations 

 on carrier transmission systems and more recently in work on wave 

 transmission networks, both electrical and mechanical. 



Pierre Mertz, A.B., Cornell University, 1918; Ph.D., 1926. 

 American Telephone and Telegraph Company, Department of De- 

 velopment and Research, 1919-23, 1926-34; Bell Telephone Labora- 

 tories, 1934-. Dr. Mertz has been engaged in special problems In toll 

 transmission, chiefly In telephotography and television. 



S. O. Morgan, B.S. In Chemistry, Union College, 1922; M.A., 

 Princeton University, 1925; Ph.D., 1928. Western Electric Company, 

 Engineering Department, 1922-24; Bell Telephone Laboratories, 

 1927-. Dr. Morgan's work has been on the relation between dielectric 

 properties and chemical composition. 



E. J. Murphy, B.S., University of Saskatchewan, Canada, 1918; 

 McGIU University, Montreal, 1919-20; Harvard University, 1922-23. 

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

 Telephone Laboratories, 1925-. Mr. Murphy's work Is largely con- 

 fined to the study of the electrical properties of dielectrics. 



E. Peterson, Cornell University, 1911-14; Brooklyn Polytechnic, 

 E.E., 1917; Columbia, A.M., 1923; Ph.D., 1926; Electrical Testing 

 Laboratories, 1915-17; Signal Corps, U. S. Army, 1917-19. Bell 

 Telephone Laboratories, 19 19-. Dr. Peterson's work has been largely 

 In theoretical studies of carrier current apparatus. 



K. W. Pfleger, A.B., Cornell University, 1921 ; E.E., 1923. Ameri- 

 can Telephone and Telegraph Company, Department of Development 

 and Research, 1923-34; Bell Telephone Laboratories, 1934-. Mr. 

 Pfleger has been engaged in transmission development work, chiefly 

 on problems pertaining to delay equalization, delay measuring, tem- 

 perature effects In loaded-cable circuits, and telegraph theory. 



A. L. Samuel, A.B., College of Emporia (Kansas), 1923; S.B. and 

 S.M. in Electrical Engineering, Massachusetts Institute of Tech- 

 nology, 1926. Instructor in Electrical Engineering, Massachusetts 



