CONTRIBUTORS TO THIS ISSUE 539 



H. R. HUNTI.EY, B.S., Tniversity of Wisconsin, 1021. Engineering 

 Department, Wisconsin Telephone Company, 1917-30; Department 

 of Operation and Engineering, American Telephone and Telegraph 

 Company. 1<)3(K Mr. Huntley's work has been principally concerned 

 with transmission and indiictiw coordination matters. 



W. A. MUNSON, A.B., University of California, Southern Branch, 

 1927. Bell Telephone Laboratories, 1927-. Mr. Munson has been 

 working on speech and hearing problems. 



Albert C. Walker, B.S., Massachusetts Institute of Technology, 

 1918; Ph.D., Yale University, 1923. Bell Telephone Laboratories, 

 1923-. Dr. Walker has been engaged in developing and applying 

 methods of improving the electrical properties of textile insulation and 

 methods for the inspection control of commercially purified textiles 

 for telephone apparatus. 



