Pioneering French microbiologist and chemist (1822–1895) who demonstrated the germ theory of disease and developed the first vaccine against rabies Exceptional original 4.25 x 6.5 cabinet photograph by Pierre Petit of Paris (so noted along bottom border and on the reverse), signed in the lower border in ink, “L. Pasteur.” In fine condition, with a few trivial spots and surface marks. An unusually appealing example from a history-changing scientist quite uncommon in signed photographs of this quality! Auction LOA John Reznikoff/PSA/DNA and R&R COA .
