112 PASTEUR 



Pasteur insisted upon cleanliness in all the de- 

 tails of daily life. He never seated himself at 

 table without carefully wiping his plates, his 

 glass, his knife and fork, examining them all 

 with the most severe attention. He never ate 

 fruit that was not peeled, and he even scraped 

 off the crust from his bread, for fear that it 

 might be infected with microbes. These habits 

 were well known to his family, but they could 

 not have failed to astonish his hostesses when 

 he dined away from home. 



After a short sojourn at the Tourtel Brothers' 

 brewery, in company with his assistant, M. 

 Grenet, Pasteur announced that all the diseases 

 of beer arose from microbes which could be 

 avoided through precautions in the course of 

 manufacture, that it was necessary to make 

 careful selection of yeasts, and that, if bottled 

 beer was heated to the point of 122 degrees 

 Fahrenheit, it was rendered unalterable. 



His method and his processes have enabled 

 France to cope successfully with foreign com- 

 petition, and the congress of French brewers, 



