264 LOUIS PASTEUK. 



French discovery. He was always ready for anything, 

 this brave Thuillier, who was destined to die, a martyr 

 to the cause of science, in the full promise of his youth, 

 and in the full hope of glory. His courage and his 

 work were alike great and silent. In the laboratory 

 he would spend days, even weeks, without speaking, 

 bent over his microscope with tenacious resolution, 

 endeavouring to follow Pasteur in all his investigations : 

 proud to live near his illustrious master, happy to be 

 his disciple and to be loved by him almost as a son. 

 What a vacancy he has left in the laboratory ! What 

 a place he might have held in science ! 



The composition of the German Commission, over 

 which M. Beyer, member of the Superior Council of 

 Government, presided, showed clearly the importance 

 attached by Germany to the investigation of this 

 French discovery. Among its members was the 

 famous Professor Virchow. 



The experiments were carried out on the estate 

 of Pakisch. The minutes and reports of the Com- 

 mission left no doubt as to the correctness of the facts 

 announced by Pasteur. But, as the negations of Dr. . 

 Koch and his colleagues embraced questions beyond 

 that of the prophylaxy of splenic fever, Pasteur did 

 not rest content with this initial success ; he sought 

 for a fresh opportunity of convincing his opponents. 

 This opportunity occurred in September 1882, when 

 an International Hygienic Congress was held at 



