212 THE BELL SYSTEM TECHNICAL JOUENAL, JANUARY 1951 



Edward E. Mott, B.S. and M.S. in Electrical Engineering, Massachusetts 

 Institute of Technology, 1928. General Electric Company, 1926-28. Bell 

 Telephone Laboratories, 1928-. Mr. Mott has been engaged in telephone 

 instruments research and development, particularly in connection with 

 various types of telephone receivers and related devices. During the war 

 he was engaged in underwater sound studies. 



R. L. Peek, Jr., Columbia College, A.B. 1921; School of Mines, Columbia 

 University, Met. E., 1923. Bell Telephone Laboratories, 1924-. From 1924 

 to 1936 Mr. Peek was engaged in studies of materials and materials testing. 

 Since 1936 he has been engaged in the development of electromagnetic 

 switching apparatus and (in 1941 to 1945) other applications of magnetics 

 and magnetostriction. 



Claude E. Shannon, B.S. in Electrical Engineering, University of Michi- 

 gan, 1936; S.M. in Electrical Engineering and Ph.D. in Mathematics, 

 M.I.T., 1940. National Research Fellow, 1940. Bell Telephone Laboratories, 

 1941- Dr. Shannon has been engaged in mathematical research principally 

 in the use of Boolean Algebra in switching, the theory of communication, 

 and cryptography. 



Thomas Shaw, S.B., Massachusetts Institute of Technology, 1905. Ameri- 

 can Telephone and Telegraph Company, Engineering Department, 1905-19; 

 Department of Development and Research, 1919-33. Bell Telephone Labora- 

 tories, 1933-48. Mr. Shaw's active telephone career was mainly concerned 

 with loading problems in telephone circuits, including the transmission and 

 economic features of the loading apparatus. The article now being published 

 was started shortly before his retirement in 1948. 



