Contributors to this Issue 



W. O. Baker, B.S., Washington College, Maryland, 1935; Ph.D., 

 Princeton University, 1938; Bell Telephone Laboratories, 1939-. Dr. 

 Baker has carried on investigations of the molecular structure and physi- 

 cal properties of polymers, particularly the fundamental constitution of 

 synthetic rubbers and plastics. Harvard Fellowship, 1936-37 and Proctor 

 Fellowship, 1938-39. Member of American Chemical Society, American 

 Physical Society, and American Society for Testing Materials. 



J. H. Heiss, B.S. in Ch.E., Newark College of Engineering, 1942; Bell 

 Telephone Laboratories, 1934-. Mr. Heiss has devoted his time to study- 

 ing experimental wire coating procedures and the test methods involved, 

 the experimental production of high poljoners (plastics) and the exami- 

 nation of their physical properties, and the properties of high polymers 

 in solution. Member of American Chemical Society. 



W. S. Hayward, Jr., A.B., Harvard University, 1943; S.M., Harvard 

 Graduate School of Engineering, 1947; Aircraft Radio Laboratory, June- 

 December 1943; U. S. Navy, Aviation Electronics Officer, 1944-46; Bell 

 Telephone Laboratories, 1947-. Mr. Hayward has taught telephone 

 smtching circuit design at the Laboratories and is currently making 

 probability studies of telephone traffic. 



Brockway McMillan, B.S., Massachusetts Institute of Technology, 

 1936; Ph.D., Massachusetts Institute of Technology, 1939; Instructor 

 of jNIathematics, Massachusetts Institute of Technology, 1936-39; 

 Proctor Fellow and Henry B. Fine Instructor in Mathematics, Princeton 

 University, 1939-42; U.S.N.R., 1942-46, studying exterior ballistics of 

 guns and rockets; Los Alamos Laboratory, Spring 1946; Bell Telephone 

 Laboratories, 1946-. Dr. McMillan has been engaged in mathematical 

 research and consultation work. Member of American Mathematical 

 Society, Institute of Mathematical Statistics, and A.A.A.S. 



R. E. Staehler, B.E.E., College of the City of New York, 1947; 

 M.E.E., Polytechnic Institute of Brooklyn, 1948; U. S. Army 1943-46, 

 Conmiunications Officer; Instructor in Electrical Engineering, Polytechnic 

 Institute of Brooklyn, Fall, 1950; Bell Telephone Laboratories, 1948-. 

 After completing the Communications Development Training Program, 



409 



