PARTICIPANTS ix 



John L. Fuller, Ph.D. 



Roscoe B. Jackson Memorial Laboratory, Bar Harbor, Maine 



Norman Giles, Ph.D.* 



Department of Botany, Yale University, New Haven, Connecticut 



Benson E. Ginsburg, Ph.D. 



Department of Psychology, University of Chicago, Chicago, Illinois 



Francis B. Gordon, Ph.D.* 



Naval Medical Research Institute, National Naval Medical Center, Bethesda, 

 Maryland 



John W. Gowen, Ph.D. 



Department of Genetics, Iowa State University, Ames, Iowa 



Douglas Grahn, Ph.D. 



Division of Biological and Medical Research, Argonne National Laboratory, 

 Argonne, Illinois 



Margaret C. Green, Ph.D. 



Roscoe B. Jackson Memorial Laboratory, Bar Harbor, Maine 



Earl L. Green, Ph.D.* 



Roscoe B. Jackson Memorial Laboratory, Bar Harbor, Maine 



Leonard Herzenberg, Ph.D. 



Department of Genetics, Stanford University, Palo Alto, California 



Walter E. Heston, Ph.D.* 



National Cancer Institute, National Institutes of Health, Bethesda, Maryland 



Warren G. Hoag, D.V.M. 



Roscoe B. Jackson Memorial Laboratory, Bar Harbor, Maine 



T. C. Hsu, Ph.D. 



Section of Cytology, M. D. Anderson Hospital and Tumor Institute, Texas 

 Medical Center, Houston, Texas 



George E. Jay, Jr., Ph.D. 



Department of Laboratory Animals, Microbiological Associates, Inc., 

 Washington, D.C. 



