Contributors to Part I 



CoRR.\DO Baglioni,* Department of Biology, Masm{:hmetts Institute of 

 Technology, Cambridge, Massachusetts 



Maurice J. Bessmax, McCollum-Pratt Institute, The Johns Hopkins 

 University, Baltimore, Maryland 



John Bishop. Department of Biochemistry, University of Kentucky 

 College of Medicine, Lexington, Kentucky 



R. J. Britten, Carnegie Institution of Washington, Department of Ter- 

 restrial Magnetism, Washington, D.C. 



H. Fr.aenkel-Conrat, Viru^ Laboratory, University of Califcyrnia, 

 Berkeley, California 



Ernst Freese,! Department of Genetics, University of Wisconsin, Madi- 

 son, Wisconsin 



Karl G. Lark, Department of Microbiology, St. Louis University School 

 of Medicine, St. Lauis, Missauri 



B. J. ^McCarthy, Carnegie Institution of Washington, Department of 

 Terrestrial Magnetism, Washington, D.C. 



R. B. Roberts, Carnegie Institution of Washington, Department of Ter- 

 restrial Magnetism, Washington, D.C. 



Richard Sch"«t:et, Department of Biochemistry, University of Kentucky 

 College of Medicine, Lexington, Kentucky 



J. Herbert Taylor, Department of Botany and Department of Zoology, 

 Columbia University, New York, New York 



Charles A. Thomas, Jr.. The Johns Hopkins University, Baltimore, 

 Maryland 



A. TsuGiTAji Virus Laboratory, University of California, Berkeley. 

 California 



Elliot Volkin. Biology Division, Oak Ridge National Laboratory, Oak 

 Ridge, Tennessee 



* Present address: International Laboratorv for Genetics and Biophysics. Xaples, 

 Italy. 



t Present address: Laboratory of Molecular BiologA-, National Institutes of 

 Health— XIXDB, Bethesda. Man>-land. 



t Present address : Research Institute for Protein, Osaka University, Osaka, 

 Japan. 



