FAMOUS 



MEN OF SCIENCE 



BY 



SARAH K. BOLTON 



AUTHOR OF "POOR BOYS WHO BECAME FAMOUS," "GIRLS WHO 

 BECAME FAMOUS," " FAMOUS AMERICAN AUTHORS," 



STUDIES IN ENGLAND," " STORIES 



FROM LIFE," " FROM HEART 



AND NATURE," ETC. 



" THE heights by great men reached and kept 



Were not attained by sudden flight; 



But they, while their companions slept, 



Were toiling upward in the night." 



LONGFELLOW. 



" A MAN who dares to waste one hour of time has not discovered 

 the value of life." DARWIN. 



NEW YORK 

 THOMAS Y. CROWELL & CO. 



