/JS 



^^mAi 



CONTRIBUTORS ^5 



Harold F. Blum, National Cancer Institute and Department of Biology, 

 Princeton University, Princeton, New Jersey 



David R. Briggs, Division of Agricultural Biochemistry, University 

 of Minnesota, St. Paul, Minnesota 



Howard J. Curtis, School of Medicine, Vanderbilt University, Nash- 

 ville, Tennessee 



Earl W. Flosdorf, F. J. Stokes Machine Co., Philadelphia 20, 

 Pennsylvania 



John W. Gowen, Department of Genetics, Iowa State College, Ames, 

 Iowa 



L. H. Gray, Radi other ape utic Research Unit of the Medical Research 

 Council, Hammersmith Hospital, London W. 12 



Earle C. Gregg, Jr., Department of Physics, Case Institute of Tech- 

 nology, Cleveland 6, Ohio 



James D. Hardy, Department of Physiology, Cornell University 

 Medical College, New York 21, N. Y. 



L. V. Heilbrunn, Department of Zoology, University of Pennsylvania, 

 Philadelphia 4, Pennsylvania 



James Hillier, RCA Laboratories Division, Radio Corporation of 

 America, Princeton, New Jersey 



Max Kleiber, College of Agriculture, University of California, Davis, 

 California 



E. G. Pickels, Specialized Instruments Corporation, Belmont, Cali- 

 fornia 



Lawrence R. Prouty, Department of Physiology, Cornell University 

 Medical College, New York 21, N. Y. 



Oscar W. Richards, Scientific Instrument Division, American Optical 

 Co., Buffalo 15, New York 



Fred M. Uber, U. S. Navy Electronics Laboratory, San Diego 52, 

 California 



Adolf F. Voigt, Institute for Atomic Research and Department of 

 Chemistry, Iowa State College, A7nes, Iowa 



vii 



