2O4 



PIONEERS OF SCIENCE IN AMERICA. 



philosophy, and after his death his relatives in Cincinnati pub- 

 lished his short Treatise on the Will, which is described as em- 

 bodying some original and striking ideas. 



Personally, according to Prof. Bache, " Prof. Espy was emi- 

 nently social, full of bonhomie and enthusiasm, easily kindling 

 into a glow by social mental action. In the meetings and free 

 discussions of a club formed for promoting research, and espe- 

 cially for scrutinizing the labours of its members, and of which 

 Sears C. Walker, Prof. Henry, Henry D. Rogers, and myself 

 were members, Mr. Espy found the mental stimulus that he 

 needed, and the criticism which he courted, the best aids and 

 checks to his observations, speculations, and experiments. 

 But there was one person who had more influence upon him 

 than all others besides, stimulating him to progress, and urg- 

 ing him forward in each step with a zeal which never flagged 

 this was his wife." Mrs. Morehead says that " he never seemed 

 impatient or concerned at the slow recognition of his discov- 

 eries as means of practical use in commerce or other national 

 needs. He would say, ' I leave all this to the future, sure 

 that its adaptation to the uses of life must one day be seen and 

 acknowledged.' " 



