PROBLEMS OF MODERN SCIENCE 



The War brought home to us many new aspects 

 of life, but peace has its problems as well as war. 

 They may not be so urgent, or so apparently 

 urgent, but they are none the less to be faced. An 

 engineer would not be expected to manage his 

 business properly unless he had some knowledge 

 of engineering. We are all of us engineers so far 

 as our life is concerned, and it is necessary that all 

 of us, if we wish to obey the laws of health and to 

 maintain a healthy race, should have some know- 

 ledge of the way in which our wonderful bodies 

 work. Among the many questions which have 

 arisen since so-called peace has been with us is that 

 of the workers. It has been found not only desir- 

 able, but from every point of view imperative, that 

 their lot should be made happier than it was in 

 previous years. I do not know whether higher 

 wages have made the worker any happier, but, in 

 order to discover how to relieve the workman of 

 tedium and fatigue, there was established some 

 time ago a committee, under the chairmanship of 

 the present President of the Royal Society, to in- 

 vestigate the causes of industrial fatigue. Well, 

 that has been economised away. 1 That again, I 

 am afraid, is an instance of economy in the wrong 



1 Since delivering this lecture I have heard from its chairman, 

 Professor Sherrington, that arrangements have been made to carry on 

 the work of the Industrial Fatigue Board under the auspices of the 

 Medical Research Council. 



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