COS rh'ifu TORS to mis isscn «x7 



Kaki K Dvkkow, SIV, IniviTsily of (liiraKo. HMI: I'liivrrMiy 

 nl r.iris. h»ll 12; I nixiTsiiy of Berlin. HH2: I'h.D., in physics and 

 inathiMuatirs, I'niversity i)f Chicago, MM7; Kngineering Dt-partnu-nl. 

 Western Electric ('onipan\', MM" At the Western Klectric, Mr. 



Darrow has been ennaged largeK' in preparing studies and analyses of 

 piiMished research in various lields of physics. 



RoNAi.D M. K()sti:r, S.B., Harvard. 1017; American Telephone and 

 I'elegraph Company, Kngineering Department, 1017 1!); Depart- 

 ment of i)e\elopment and Research. lOH) — . 



