180 BELl. SYSTEM TECHNICAL JOURNAL 



J. G. Fi;R(.rs(iN, B.S.. I niwrsity of California. Htl."): M.S., lilKi; 

 research assistant in plnsics, lOlo-Ki; Engineering 1 )eparinii'ni ot 

 the Western Klectric t"oniiian\-, IflUi — . 



K.\RL K. I).\RR<nv, S.B., University of Chicago, H)ll; UniverMix- 

 of Paris, 1911-12; University of Berlin, 1912; Ph.D., in physics and 

 mathematics. University of Chicago, 1917; Engineering Departnu'ni. 

 Western Electric Company, 1917 — . At the Western Electric. Mr. 

 Darrow has been engaged largely in preparing studies and anaixses 

 of published re.search in various fields of physics. 



