THE PRODUCTION OF SCIEXTIFIC KNOWLEDGE 191 



tegrity of character, and energetic activity. There are scien- 

 tists who are splendid research men and can operate with a 

 small group of students or assistants and obtain most success- 

 ful results, but who ^vould be utterly useless in a large labora- 

 tory. They would not have the energy to keep in touch with 

 the innumerable details of such a laboratory and, at the same 



DEVELOPMENT 

 GROUPS \ 



SERVICE 

 GROUPS 



S- SCIENTIST AND ASSISTANTS 



Figure 5. Approximation to the Actual Organization of a Laboratory 



of Medium Size. 



time, to concentrate on the critical points in the research 

 work and lead their men rapidly to a successful conclusion in 

 each field of ^vork in which such a conclusion became pos- 

 sible. Accounts of great research leaders always refer to them 

 as spending time in the laboratory, discussing -matters ^vith 

 their staff, helping or suggesting in one field after another, 

 encouraging the despondent, and rejoicing ^vith the suc- 

 cessful. 



The problems involved in finding suitable directors for 

 industrial research laboratories are discussed later. In lab- 

 oratories Avorking in pure science, the difficulties are perhaps 



