PARTICIPANTS 



Colin M. MacLeod 



Professor of Research Medicine, University of Pennsylvania 



School of Medicine 

 f Robert E. MacNeal 



President, Curtis Publishing Company 

 f Harland Manchester 



Roving Editor, Reader's Digest 



* Paul C. Mangelsdorf 



Director, Botanical Museum, Harvard University 

 Donald G. Marquis 



Social Science Research Council 

 Robert E. Marshak 



Chairman, Department of Physics, University of Rochester 

 William H. Martin 



Director, Research and Development, Department of the 



Army 



O. T. Marzke 



Vice President, United States Steel Corporation 



John R. Mayor 



Director of Education, American Association for the Ad- 

 vancement of Science 



* Ernst Mayr 



Alexander Agassiz Professor of Zoologv, Museum of Com- 

 parative Zoologv, Harvard College 



* Katharine E. McBride 



President, Bryn Mawr College 



•f* Charles B. McCabe 



Publisher, New York Mirror 



j" James McCormack, Jr. 



Vice President, Massachusetts Institute of Technology 



f V. Rev. Laurence J. McGinley 



President, Fordham Universitv 

 Raymond W. McNamee 



Manager of Research Administration, LInion Carbide Cor- 

 poration 



* William W. McPeak 



Vice President, Ford Foundation 

 Edward J. McShane 



Professor of Mathematics, Universitv of Virginia 



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