76 INTRODUCTION TO SCIENCE 



which he reached his gravitation-formula illus- 

 trate an interlacing of induction and deduction, 

 but we must agree with Prof. Gotch that the 

 law was "the conception of a creative mind gifted 

 with imagination." "In the language of Tyndall, 

 this 'passage from a falling apple to a falling 

 moon' was a stupendous leap of the imagination, 

 for his enunciated law applies in conception to 

 the universe, thus extending into boundless space 

 and persisting through endless time." 



At the beginning of this chapter we hinted 

 that all methods are transcended by men of gen- 

 ius, whose magnificent operations the history of 

 Science discloses. We cannot give a psychological 

 account of the way in which the greatest of them 

 made their discoveries. Their methods were 

 secondary. "God said, Let Newton be! and 

 there was light." Of Kelvin, his biographer 

 says: 



"Like Faraday, and the other great masters in 

 science, he was accustomed to let his thoughts 

 become so filled with the facts on which his atten- 

 tion was concentrated that the relations subsist- 

 ing between the various phenomena dawned upon 

 him, and he saw them as if by some process of 

 instinctive vision denied to others. It is the gift 

 of the seer. ..." "His imagination was vivid; 

 in his intense enthusiasm he seemed to be driven, 

 rather than to drive himself. The man was lost 



