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wood prints portrait wood prints 1800s wood prints 19th century wood prints adult wood prints anthrax wood prints bain news service wood prints caucasian wood prints european wood prints fermentation wood prints food preservation wood prints french wood prints germ theory of disease wood prints historical wood prints history wood prints history of science wood prints

photographs portrait photos 1800s photos 19th century photos adult photos anthrax photos bain news service photos caucasian photos european photos fermentation photos food preservation photos french photos germ theory of disease photos historical photos history photos history of science photos

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Louis Pasteur (1822-1895), French microbiologist. Pasteur found that fermentation is caused by micro-organisms, and also proposed the germ theory of disease. He developed a vaccine against rabies, which led to the founding of the Pasteur Institute in 1888. He saved the French silkworm industry by identifying diseases that were decimating the worms. He discovered the anthrax bacterium and developed a vaccine against it. He also discovered that gentle heating of wine and beer preserves them from souring: the process of pasteurisation which is now widely used in the food industry. This photograph is from the Bain News Service, one of the USA's earliest news picture libraries. The photographs date from the 1890s to the 1930s.

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