592 BELL SYSTEM TECHNICAL JOURNAL 



Washington, 1926-29. Bell Telephone Laboratories, 1929-. Dr. Schel- 

 kunoff has been engaged in mathematical research, especially in the field of 

 electromagnetic theory. 



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. 



