v/// List of Contributors 



LEWIS WEBSTER JONES 



President, Rutgers University. 



ALBERT J. KLUYVER 



Professor of Microbiology, 

 Technical University, Delft, Holland. 



JOSHUA LEDERBERG 



Department of Genetics, 

 University of Wisconsin, Madison. 



ANDR^ LWOFF 



Director, Institut Pasteur, Paris. 



DUREY H. PETERSON 



The Upjohn Company, 

 Kalamazoo, Michigan. 



ROBERT L STARKEY 



Department of Agricultural Microbiology, New Jersey 

 Agricultural Experiment Station, Rutgers University, 

 New Brunswick. 



WAYNE W. UMBREIT 



Merck Institute for Therapeutic Research, 

 Rahway, New Jersey. 



CORNEUS B. VAN NIEL 



Hopkins Marine Station, Stanford University, California. 



SELMAN A. WAKSMAN 



Director, Institute of Microbiology, Rutgers University, 

 New Brunswick. 



"^ PERRY WILSON 



Department of Bacteriology, 

 University of Wisconsin, Madison. 



