PUTNAM: INTRODUCTION 379 



should all enjoy hearing. We hope, however, there will be enough 

 time left for discussion, if we abide closely by our schedule. The 

 chemical aspect of the subject has been as much stressed as the physical. 

 It seems that we shall all have to get accustomed to terms like enzymes 

 and coenzymes, as well as to positive and negative phases, and Weden- 

 sky inhibition. At the end of the symposium, Dr. Gerard will try to 

 integrate the different aspects which will be presented and discussed. 



