CONTRIBUTORS TO THIS ISSUE 215 



Roger I. Wilkinson, B.S. in E.E., 1924, Professional Engineer (hon- 

 orary), 1950, Iowa State College, 1924; Northwestern liell Telephone 

 Company, 1920-21; American Telephone and Telegraph Company, 1924- 

 34; Bell Telephone Laboratories, 1934-43 and 1946-. U. S. War Depart- 

 ment, ^^'ashingt()n and South Pacific, 1943-45. Mr. Wilkinson has been 

 engaged in applications of the mathematical theory of probability to 

 telephone problems. IMedal for Merit, 1946. Member of A.S.E.E.; A.S.A.; 

 Institute of Mathematical Statistics; American Society for Quality Con- 

 trol; Associate Member of A.I.E.E.; and Member of Eta Kappa Nu; 

 Tau Beta Pi; Phi Kappa Phi; and Pi Mu Epsilon. 



