Xll 



List of Participants 



G. A. Sacher 



S. SCHEIDEGGER . 



J. Maynard Smith 

 J. M. Tanner 



F. Verzar 



V. B. WiGGLESWORTH 



Division of Biological and Medical Research, 

 Argonne National Laboratory, Lemont, Il- 

 linois 



Inst, of Pathology, University of Basle 



Dept. of Zoology, University College London 



Inst, of Child Health, Hospital for Sick 

 Children, London 



Gerontology Laboratory, Inst, of Anatomy, 

 University of Basle 



Dept. of Zoology, University of Cambridge 



