French scientist and bacteriologist whose studies on fermentation led to the conclusion that it was caused by bacteria, proving the germ theory of disease; he also developed a successful vaccine for rabies, which hitherto had been universally fatal. ALS in French, signed “L. Pasteur,” one page, 5.25 x 8, September 19. Letter to an unknown recipient. Loosely translated, in part, “I received your letter and the announcement it contained regarding the sending of your last work. This was (sent to?) Paris where I will find it in a few weeks…I will give myself the pleasure of reading it and with great profit, I have no doubt.” In fine condition, with some scattered faint foxing and soiling. Auction LOA John Reznikoff/PSA/DNA and R&R COA.
