1020 THE BELL SYSTEM TECHNICAL JOURNAL, JULY 1954 



and echo suppressors for long telephone lines. During World War II he 

 worked on underwater sound systems for the Navy and was awarded 

 the Naval Ordnance Development Award by the U. S. Navy. Since then 

 he has been working with the wire-spring relay and Hne concentrator 

 for the No. 5 crossbar system. Member American Institute of Electrical 

 Engineers and Tau Beta Pi. 



B. H. Hamilton, B.S. in E.E., University of Kansas, 1949; Bell Tele- 

 phone Laboratories 1950-. With the Laboratories he has worked on de- 

 velopment of equipment to power the L3 carrier system and has been 

 concerned with fundamental studies of new types of regulated rectifiers. 

 Member American Institute of Electrical Engineers, Tau Beta Pi, Sigma 

 Tau, Sigma Xi, Kappa Eta Kappa. 



A. L. QuiNLAN, B.S. in E.E., University of Kansas, 1921; Western 

 Electric Company, 1921-. Prior to World War II, Mr. Quinlan worked 

 extensively on the development of manufacturing methods and machines 

 for loading coils. He was granted patents on loading coil case designs and 

 on toroidal coil winding machines and was co-author of an article, Recent 

 Improvements in Loading Apparatus for Telephone Cables, published in 

 the A.I.E.E. Journal, Dec. 1947. During the war he had engineering as- 

 signments on gun director, precision coil manufacture and vacuum tube 

 projects. Since then he has developed manufacturing facilities and meth- 

 ods for welding precious metal contacts to telephone switching apparatus. 

 Notable among these are the roll welding of contact tape to crossbar 

 switch multiples and the resistance and percussion welding of contacts 

 to Avire spring relays. Member A.I.E.E. 



William Shockley, B.Sc, California Institute of Technology, 1932; 

 Ph.D., Massachusetts Institute of Technology, 1936; Teaching Fellow, 

 M.I.T., 1932-1936; Bell Telephone Laboratories 1936-1942; Director of 

 Research, Antisubmarine Warfare Operations Research Group, Division 

 of War Research, Columbia University, 1942-1944; Expert Consultant, 

 Office of the Secretary of War, 1944-1945 ; Bell Telephone Laboratories 

 1945-. Appointed Director of Transistor Physics Research December 1, 

 1953, he had directed the group which invented the point-contact transis- 

 tor. During the past six years he has made many contributions to solid 

 state physics particularly in connection with the transistor. In addition to 

 solid state physics and semiconductors, his work has also included vacuum 

 tube and electron multiplier design, studies of various physical phenom- 

 ena in alloys, radar development and magnetism. Medal for Merit, US. 



