Vm CONTRIBUTORS 



liritton Chance. Johnson Research Foundation for Medical I'hysics, University of 

 Pennsylvania, Philadelphia, Pennsylvania 



K. A. Clendenning, Division of Marine Biology, Scripps Institution of Oceanog- 

 raphy, La Jolla, California {Formerly at Charles F. Kettering Foundation, 

 Yelloxo Springs, Ohio) 



J. W. Coleman, Photosynthesis Laboratory, University of Illinois, Urbana, Illinois 



It. G. Crickard, Department of the Army, Ordnance Corps, Diamond Ordnance 

 Fuze Laboratories, Washington, D. C. (Formerly at Laboratory of Physical 

 Biology, National Institute of Arthritis and Metabolic Diseases, National In- 

 stitutes of Health, Bethesda, Maryland) 



L. N. M. Duysens, Biophysical Laboratory, Nieuwsteeq, Slate University, Leiden, 

 Netherlands (Formerly at Department of Physics, University of Utrecht, Utrecht, 

 Netherlands) 



Robert Emerson, Department of Botany, University of Illinois, Urbana, Illinois 



A. Gene Ferrari, Western Electric Co., Chicago, Illinois (Formerly at Research In- 

 stitutes, University of Chicago, Chicago, Illinois) 



James Franck, Research Institutes, University of Chicago, Chicago, Illinois 



C. S. French, Department of Plant Biology, Carnegie Institution of Washington, 

 Stanford, California 



Albert W. Frenkel, Department of Botany, University of Minnesota, Minneapolis. 

 Minnesota 



Hans Gaffron, Depanment of Biochemistry and Research Institutes, University of 

 Chicago, Chicago, Illinois 



Arthur T. Giese, Department of Plant Biology, Carnegie Institution of Washington,. 

 Stanford, California 



S. Granick, Rockefeller Institute for Medical Research, New York City, New York 



Helen M. Habermann, Research Institutes, University of Chicago, Chicago, Illinois 

 (Formerly at Department of Botany, University of Minnesota, Minneapolis, 

 Minnesota) 



Daniel D. Hendley, Department of Microbiology, University of Sheffield, Sheffield, 

 England (Formerly at Department of Biochemistry and Research Institutes, 

 University of Chicago, Chicago, Illinois) 



Toyoyasu Hirokawa, The Tokugaioa Institute for Biological Research and Depart- 

 ment of Botany, Faculty of Science, University of Tokyo, Tokyo, .Japan 



A. Stanley Holt, Division of Applied Biology, National Research Laboratories, 



Ottawa, Canada (Formerly at Photosynthesis Laboratory, University of Illinois, 

 Urbana, Illinois) 



Leonard Horwitz, University of California, Berkeley, California (Formerly at Re- 

 search Institutes, University of Chicago, Chicago, Illinois) 



Martin D. Kamen, Department of Biochemistry, Brandeis University, Waltham, 

 Massachusetts (Formerly at Edward Mallinckrodt Institute of Radiology, Wash- 

 ington University Medical School, St. Louis, Missouri) 



Erich Kessler, Botanisches Institut, Universitdt Marburg, Marburg/Lahn, Germany 

 (Formerly at Research Institutes, University of Chicago, Chicago, Illinois) 



B. Kok, Laboratory for Plant Physiological Research, Agricultural University, 



Wageningen, Netherlands 



