CONTRIBUTERS TO THIS ISSUE 591 



I istician, 1940-41 ; U. S. Army War College, statistician, 1942-44; Colum- 

 bia University, department of mathematics, 1946-50; Wayne University, 

 assistant professor of mathematics, 1950-52; Columbia University, visit- 

 ing lecturer, 1952; Cornell University, fundamental research in mathe- 

 matical statistics, 1952-54; Bell Telephone Laboratories, 1954-. He has 

 been engaged in fundamental research on life testing and reliability 

 problems with special application to transistors. Consultant on many 

 Bell Laboratories projects. Member of Institute of Mathematical Sta- 

 tistics, American Statistical Association and Sigma Xi. 



WiLHELM VON AuLOCK, Dipl. Ing., Technische Hochschule, Berlin, 

 1937; Dr. Ing., Technische Hochschule Stuttgart, 1953; Dr. von Aulock 

 worked in Berlin from 1938 to 1942 for the A. E.G., Kabelwerk; in 

 Gotenhafen (Gdynia) for the Torpedoversuchsanstalt from 1942 to 1945; 

 and for the United States Navy Bureau of Ships in Washington from 

 1947 to 1953, where he was involved in work on torpedo counter- 

 measures and studies of electromagnetic induction fields in sea water. 

 He joined Bell Telephone Laboratories in 1954. Since then he has been 

 principally engaged in analytical and experimental studies of phase 

 shift and loss characteristics of ferrite-loaded waveguides, and the ap- 

 plication of these properties. He is an associate member of the Institute 

 of Radio Engineers. 



