Louis Pasteur

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Louis Pasteur LOUIS PASTEUR WFk .K',* ' ? *An exhibit presented by the National Library of Medicine in observance of the sesquicentennial of the birth of Louis Pasteur, scientist and benefactor of humanity. S600 ROCKVILLE PIKE BETHE8DA, MO. 20014 On December 27, 1822, Louis Pasteur, son of a tanner and former sergeant in the armies of Napoleon, was born in obscurity at Dole, France. Today his name is known and honored throughout the world for his contributions to the welfare of humanity. A great scientist, above all a great experimentalist, he was also a crusader who became the nineteenth century's greatest symbol of triumphant science. As a young student, Pasteur was noted chief ly for some pastel portraits of his parents and friends. At the Ecole Normale Superieure, he was fired with the joy of discovery under the guidance of two influential teachers, Jean Baptiste Dumas and Antoine Jerome Balard. Trained as a chemist, Pasteur in his first re search discovered why sodium-ammonium Pastel of Pasteur's father. tartrate rotated the plane of a beam of polar ized light while the corresponding paratartrate holic fermentation and of other micro did not. This brought him the attention and organisms in other forms of fermentation. The support of the outstanding French physicist need to convince the led him to stud Jean Baptiste Biot. The work also demon skeptical ies of so-called At the strated his independence of mind in question spontaneous generation. urgent request of others he studied the causes ing a leading scientist, his ability to select signi of "diseases" in wine and and also in ficant problems, and his experimental genius in vinegar silkworms. he went to the es dealing with them. Always quickly sence and his solutions were practical and use Pasteur moved from his studies of optical ful to the industries involved as well as fruitful rotation to fermentation, where, in opposition for scientific theory. His experiments were de to the commonly accepted views of the leading signed to test, prove, and convince. He had to German chemist, Justus Liebig, he demon fight for his ideas to have them accepted, and strated convincingly the role of yeast in alco- did so ardently and effectively. Pasteur's models of tartrate crystals. Photo courtesy Pasteur Institute. During the 1870's Pasteur turned his atten century before of vaccination for smallpox. In tion to animal diseases and then to those af a few short years he also discovered vaccines fecting human beings. While others, notably against anthrax and swine erysipelas. In each Robert Koch and his coworkers, were more case the method used to weaken the causative active in discovering specific bacteria that cause organism was different. Pasteur had turned the human diseases, Pasteur studied the mecha preparation of vaccines from an empirical dis nisms of infection and immunity. In 1879 he covery useful only against smallpox to a scien created a vaccine chicken against cholera, the tific process for creating new preventive inocu first vaccine since Jenner's discovery nearly a lations. >1 :^rL,\tl.^ Jrc... J( L£Wi-LJ^ oJ>t- "* Sm*- ^\WMf nu In the midst of the Franco-Prussian War, Pasteur writes of his devotion to science and country. I Pasteur's greatest popular triumph was the dis of the 150th anniversary of his birth, the Na covery in 1885 of a method for preventing the tional Library of Medicine is exhibiting se development of rabies in persons bitten by lected books and manuscripts from its collec rabid dogs. Within a year hundreds had been tions illustrating the contributions of Pasteur treated, and the fame of Pasteur was carried to science and human welfare. Of particular throughout the world. The Pasteur Institute in interest are the many manuscripts in his own Paris was founded by popular subscription to hand, representing drafts of papers, letters, carry on this work. It lives on today as a lead speeches, and reports in his varied capacities as ing research institution of France. scientist and researcher, educational adminis In honor of Pasteur and in commemoration trator, and patriot. L-, OVi;^ 1tj»l)»4- t^l(k~*> Wv«~4 Juffj In the sciences, certain persons have convictions, ^ifrflv^s others have only opinions. ^ . \^ii^7 Conviction supposes proof; opinions generally rest upon hypotheses. L. Pasteur Paris, 5 May 1886. rlfuT li^iA/nu^. ^ K ^ - ll/Vl^v^H tyYlMuj fwK'-, fu~ zaa, Yit*K>~*~~\- . j(lt^ . "V TW^ —\$ )] (MWuy^Ac ^ )taj^.—.15 ^fokL^of^ J'^Wa^c^- —$ y m^at^X jj 1* hithfy*- — 7 / h(j«f- —-A |^ {^v t 1 t ^ - — ^Nimi — \ <), tH^^i V^L^— ?»<l r Cl 1 • <?*> *** )ul fi,u\ZJr l/Ar u^ rL-AXr"tv— «->v^ _ . Il^c V«^L L — |c>> Vuulr. -^e*4- A iVJ vfl feLk' fjU*- 5t*v n**-< fcMf^ 'hvf^lM^ A, ^V , VI V^ »f ^; -k^ "j1^ \(Ul«*W* rt°i|- p **; 9~u ^ '^'v- -J^i A..):„ d7^-'-^ Tf- Numbers treated for rabies by April 1, 1886. Manuscript note by Pasteur. U.S. Department of Health, Education, and Welfare Public Health Service National Institutes of Health DHEW Publication No. (NIH) 73-397.
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