\M BELL SYSTEM TECHNICAL JOURNAL 



ciated with various phases of transmission work, more particularly during 

 the last ten years with the development of coaxial systems for telephone 

 and television. At the present time he is Engineer of Transmission of the 

 Long Lines Department. 



J. F. Wentz, E.E., Lehigh University, 1917; A.M., Columbia, 1923; 

 First Lieutenant, Infantry, U. S. Army, 1917-19. Western Electric Com- 

 pany, Engineering Department, 1919-24; Bell Telephone Laboratories, 

 1924-. Mr. Wentz' early work in the Western Electric Company was on 

 high tension fuses and protectors. Upon his transfer to the Research 

 Department he was engaged in the development of permalloy loaded sub- 

 marine cables. In 1931 he was assigned to the study of transmission 

 properties of coaxial conductors and the development of suitable measur- 

 ing methods. In 1940 he was made High Frequency Transmission En- 

 gineer in charge of the development of coaxial systems for telephone and 

 television. 



J. E. WiLTRAKis, B.S., Loyola University, 1929. Western Electric 

 Company, Engineering Department, 1920-. Mr. Wiltrakis, formerly 

 engaged on manufacturing capacity, cost reduction and plant location 

 studies, was in charge of engineering and operating the new Kearny Wire 

 MiU. 



