THE PROGRESS OE SCIENCE. 



=85 



both in his scientific discoveries and in 

 his personal traits. He was not a 

 mathematician, he was not always 

 familiar with work that had been done 

 in the same direction as his own, he 

 did not have assistants nor use the 

 ordinary machinery of research. But 



Yale College for some student escapade 

 it is said because he stopped chapel 

 by shooting an arrow into the face of 

 the college clock and it was with some 

 satisfaction that he received the doc- 

 torate of laws from Yale University 

 on the occasion of its bicentennial. 





<H>CA- 





he had ideas, which he worked out with 

 originality and persistence, devising his 

 own methods and making his own in- 

 struments. 



Rood was born in Connecticut on 

 February 3, 1831, his father being a 

 clergyman. He was dismissed from 



He graduated at Princeton in 1852, and 

 spent several years in study abroad, a 

 course not common in the fifties. For 

 five years he was professor in a small 

 denominational institution at Troy. 

 Then at the early age of thirty-three he 

 was called to Columbia College and at 



