INTRODUCTION 17 



starvation. What has happened there may happen again 

 elsewhere, if the intelligence of the world does not assume 

 and hold its proper place in the direction of national and 

 world affairs. 



"In the preface to his recent Lehrbuch der Photo- 

 chemie, Professor Plotnikow has written: 'Home and 

 property were pillaged by bands of idle Russians who used 

 my library for cigarette papers. Hunger, misery, want, 

 and personal insecurity, often approaching fear for my 

 life, were the constant accompaniment of my labors.' "^ 



Professor Cockerell says in this regard : 



"Surely mankind has not deserved the services of its 

 benefactors if we judge by the way it has behaved. 



"Yet this is by no means the worst of it. Children, old 

 and young, often react to some delicate toy or instrument 

 by smashing it at once. Sometimes they use it to smash 

 other people. So it has happened that gifts of science have 

 been wantonly misused, and we sometimes wonder 

 whether our species will not eventually exterminate itself 

 as a result of knowing how. Thus with enormous increase 

 in the means of production, with facilities of transporta- 

 tion undreamed of a few years ago, with marvelous con- 

 trol over disease, we still have war and greed, to which 

 these great services are actually made to minister. 



"We must all admit that the remedy for this state of 

 affairs does not lie wholly in the scientific realm. Without 

 a sense of human values, for which mechanistic science 

 has no justification, we can attain no real virtue. Ulti- 



