3 
ZALLEN, Doris T., Ph.D. 
Associate Professor 
Science Studies and Humanities 
VA Polytechnic Inst. & State University 
Humanities Center, Lane Hall-354 
Blacksburg, Virginia 24061 
703 231-4216 
(95) 
EXECUTIVE SECRETARY 
WTVEL, Nelson A., M.D. 
Director 
Office of Recombinant DNA Activities 
National Institutes of Health, 31/4B11 
Bethesda, Maryland 20892 
301 496-9838 
Recombinant DNA Research, Volume 18 
[223] 
