346 THE BELL SYSTEM TECHNICAL JOURNAL, JANUARY 1957 



graduate studies were interrupted by military service in World War 1. 

 Engineering Research Branch of the British Post Office 1920, where he 

 was engaged initially on materials problems and later on interference, 

 corrosion, and long distance signaling. He became Head of Research 

 in 1939, and in 1949 was made Deputy Engineer-in-Chief. In 1951 he 

 became Engineer-in-Chief, and in this position, was one of the principal 

 architects of the transatlantic submarine telephone cable system. In 

 1954 he was made Deputy Director General, and in 1955 Director 

 General — the permanent Head of the British Post Office. He became a 

 Conmiander of the Order of the British Emphe (CBE) in 1946 and was 

 honored with a knighthood in 1954. In 1956, he became a Knight Com- 

 mander of the Bath (KCB) and is President of The Institution of 

 Electrical Engineers for the year 1956-57. 



H. H. Spencer, B.S. in :\I.E., Univ. of New Hampshire, 1923; Bell 

 Telephone Laboratories, 1923-. He has been engaged primarily in the 

 development of power supplies for broadband carrier, long distance and 

 repeater equipment, including automatic plants for unattended opera- 

 tion on J, K, and L carrier systems and TD-2 microwave radio relay 

 systems. Mr. Spencer is an Associate ^Member of the American Institute 

 of Electrical Engineers. 



J. F. P. Thomas, B.Sc. London University 1942; British Post Office 

 Research Branch, 1937-. In his early years, J\Ir. Thomas was engaged 

 on investigations into contact phenomena and dust core magnetic ma- 

 terials. In 1948, he was transferred to the Submerged Repeater Group, 

 where his main work has been the design and construction of power 

 feeding equipment and pulse monitoring equipment used for fault loca- 

 tion in submerged repeater sj'-stems. Associate Member of The Institu- 

 tion of Electrical Engineers. 



Rexford S. Tucker, A.B., Harvard College, 1918; S.B., Harvard 

 Engineering School, 1922; American Telephone and Telegraph Com- 

 pany, 1923-34; Bell Telephone Laboratories, 1934-. Mr. Tucker's 

 early work was on noise and crosstalk prevention. During World War 

 II he was engaged in classified military projects and served as co-editor 

 of a War Department technical manual. Electrical Communications 

 Systeins Engineering. After the war he worked on mobile radio systems 

 engineering and then the transatlantic telephone cable. He is an Associate 

 Member of A.I.E.E., Senior Member of I.R.E., Charter Member of 

 Acoustical Society of America, member of Sub-Committee No. 1 of 



