ALS in French, signed “L. Pasteur,” one page, 5.25 x 8, April 13, 1882. Of all his important influence in the study microbiology, Louis Pasteur (1822-1895) made one very significant breakthrough: the Frenchman demonstrated the germ theory of disease, which helped him develop the first vaccine against rabies. Certainly for this renown, the individual to whom Pasteur penned this letter became one of his biggest fans. In this brief, yet thoughtful note, Pasteur responds to his admirer, and compliments him for his modesty in asking the scientist for only a signature. The celebrity’s untranslated writing and “L. Pasteur” scripting appear impeccably strong, and accompanying the page (which exhibits fresh and fine condition) is its original mailing envelope, and an early dealer’s catalogue slip. RRAuction COA.
