CONTRIBUTORS TO THE JOURNAL 391 



1925 — . Dr. Ives' work has had to do principally with the produc- 

 tion, measurement and utilization of light. 



John R. Carson, B.S., Princeton, 1907; E.E., 1909; M.S., 1912; 

 Research Department, Westinghouse Electric and Manufacturing 

 Company, 1910-12; instructor of physics and electrical engineering, 

 Princeton, 1912-14; American Telephone and Telegraph Company, 

 Engineering Department, 1914-15; Patent Department, 1916-17; 

 Engineering Department, 1918; Department of Development and 

 Research, 1919 — . Mr. Carson's work has been along theoretical 

 lines and he has published many papers on theory of electric circuits 

 and electric wave propagation. 



