CONTRIBUTORS TO THIS ISSUE 487 



was engaged in the development of military instruments and of optical 

 apparatus for microscopy, photography and motion pictures at the 

 Bausch and Lomb Optical Company. During the following three 

 years he was in charge of the Scientific Department of the Fairchild 

 Aerial Camera Corporation. In 1928 he joined the engineering de- 

 partment of Electrical Research Products, Inc., coming to the Bell 

 Telephone Laboratories in 1929 to work on optical and photographic 

 problems associated with sound picture apparatus development. In 

 October 1936 he transferred to the Materials Group of the Electro- 

 mechanical Division of the Telephone Apparatus Development De- 

 partment. 



A. H. Inglis, B.A., Yale University, 1914. Western Electric Com- 

 pany, Engineering Department, 1914-17. Signal Corps, A.E.F., 

 1917-19. American Telephone and Telegraph Company, Department 

 of Development and Research, 1919-34; Bell Telephone Laboratories, 

 1934-. Mr. Inglis has been concerned with both equipment and 

 transmission matters of station apparatus, latterly as Station Instru- 

 mentalities Engineer. 



W. C. Jones, B.S. in Electrical Engineering, Colorado College, 

 1913. Western Electric Company, Engineering Department, 1913- 

 25 ; Bell Telephone Laboratories, 1925-. As Transmission Instru- 

 ments Director, Mr. Jones is concerned with the development of 

 telephone instruments and similar devices. 



H. C. Montgomery, A.B., University of Southern California, 1929; 

 M.A., Columbia University, 1933. Bell Telephone Laboratories, 

 1929-. Engaged at first in studies of hearing acuity and related 

 problems in physiological acoustics, Mr. Montgomery has been occu- 

 pied more recently with the study and analysis of speech. 



A. E. RuEHLE, B.S., University of Idaho, 1930. Bell Telephone 

 Laboratories, 1930-. Mr. Ruehle's work has been chiefly concerned 

 with applications of the methods of physical chemistry to chemical 

 analysis. 



G. H. Stevenson, B.Sc. in Engineering, University of Glasgow, 

 Scotland, 1906; Instructor in Electrical Engineering, University of 

 Glasgow, 1906-07. Messrs. Barr and Stroud, Glasgow, 1907-11. 

 Western Electric Company, Engineering Department, 1911-24; Patent 

 Department, 1924-25. Bell Telephone Laboratories, Patent Depart- 

 ment, 1925-. Mr. Stevenson's work has to do with patent matters 



