xii PARTICIPANTS 



W. K. Whitten, D.Sc. 



National Biological Standards Laboratory, Department of Health, Canberra, 

 Australia 



Katherine S. Wilson, Ph.D.* 



Genetics Study Section, Division of Research Grants, National Institutes of 

 Health, Bethesda, Maryland 



Henry J. Winn, Ph.D. 



Roscoe B. Jackson Memorial Laboratory, Bar Harbor, Maine 



Sewall Wright, Sc.D. 



Department of Genetics, University of Wisconsin, Madison, Wisconsin 



George Yerganian, Ph.D. 



Children's Research Foundation, Inc., Boston, Massachusetts 



