SCIENCE AT THE BEGINNING OF THE CENTURY 



trial; passengers on a burning ship do not hold aloof 

 from the life-boats. Rich and poor, high and low, 

 sought succor in vaccination, and blessed the name of 

 their deliverer. Of all the great names that were be- 

 fore the world in the closing days of the century, 

 there was perhaps no other one at once so widely 

 known and so uniformly reverenced as that of the Eng- 

 lish physician Edward Jenner. Surely there was no 

 other one that should be recalled with greater gratitude 

 by posterity. 



