Pasteur, Louis "father of microbiology" - Autograph letter signed

Description

French chemist and microbiologist, popularly known as the "father of microbiology".
Autograph letter signed “L. Pasteur”. 1p., 5.25 x 8.0 inch, bifolium, Paris, 1886 October 26. To Lucien VIARD, member of the Board of Directors of Crédit Foncier de France. Letter regarding his recommendation. In French: “… pour un poste de garçon de bureau, d'Eugène Loye… Il est mon compatriote jurassien, paraît très honnête et très docile.” Translated: “… for a post as an office boy, Eugène Loye… He is my compatriot from the Jura, seems very honest and very docile.” Mailing fold, else fine condition.
COMES WITH A CERTIFICATE OF AUTHENTICITY BY ANDREAS WIEMER HISTORICAL AUTOGRAPHS. Please do not hesitate to contact me with any questions.
I started collecting autographs of famous personalities as a teenager in 1985. During the last 15 years I’m specialized in buying and selling rare historical autographs, documents and manuscripts. My large reference library includes all the standard works with more than 100 books on the subject. I’m a member of all major autograph organizations and the author of several published articles and reference books incl. the standard works:
“John F. Kennedy – autograph study”
and
“Presidents of the United States – AUTOPEN GUIDE
”.