202 ENGLISH MEN OF SCIENCE. [CHAP. 



D. PROFESSIONAL DUTIES. 



The fourth group comprises instances in which 

 professional duty was a principal cause of the 

 interest first felt in scientific pursuits, or else of 

 the energies being concentrated upon some 

 branch of science towards which no special in- 

 clination had previously been exhibited. Two 

 or three, of the 21 cases which I shall quote, may 

 perhaps be thought doubtful examples and more 

 appropriate to the preceding group ; but after all 

 possible deductions have been made, there will 

 remain ample evidence of the magnitude of the 

 influence we are considering. A wise adminis- 

 trator, desirous, even at some cost, of promoting 

 original investigation, would establish many 

 professional offices of a scientific character, 

 having responsible duties of a prominent kind 

 attached to them. They would create much 

 new interest in science, and would compel those 

 who held them, to work steadily and to a 

 purpose in scientific harness. 



Physics and Mathematics. (4) Had never 



