SIXTH PART 

 Studies on Beer 



STUDIES ON BREWING 



These studies were begun in 1871, in my laboratory 

 in the Faculty of Sciences of Clermont-Ferrand, and in 

 the chemical laboratory of the School of Medicine of the 

 same town. They were undertaken without any definite 

 aim, simply to occupy the enforced leisure which the 

 Commune and the Siege of Paris gave to Pasteur. He 

 had at once set himself to work to contribute his knowl- 

 edge which was already great, as his share in the rehabili- 

 tation of his humiliated country. He already dreamed 

 of a Pasteur Institute where he would be surrounded 

 by all of his assistants and where he would lead them 

 on to new victories. "I have a head full of the most 

 beautiful projects for work," he wrote me March 29, 

 1871. ''The war has forced my brain to lie fallow. 

 I am ready for new productions. Alas! Perhaps 

 I am laboring under an illusion. In any case I shall 

 make the attempt. Oh! why am I not rich? A 

 millionaire! I would say to you, to Raulin, to Gernez, 

 to Van Tieghem, etc., Come! We will transform the world 

 by our discoveries! How fortunate you are to be young 

 and to have good health! O, that I could begin a new 

 life of study and work! Poor France, dear land of our 

 fathers! Why can I not help to lift you up once more 

 from your disasters?" 



While waiting to engage in the great schemes, the 



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