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  Theodor Schwann concluded that fermentation is the result of living things.
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  Louis Pasteur determined that fermentation is caused by yeast.
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  Eduard Buchner wins the Nobel prize for showing the ezymes in yeast cells.
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  Arhtur Harden and Hans Euler-Chelpin both win Nobel prize for their work on fermentation.
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  New technology was invented to use fermentation to produce antibiotics.
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  The Chinese used fermented soybean curd to treat skin infections.
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  The Chinese used fermented tea to treat a variety of illnesses.
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  Fermentation was used to make bread rise and to produce alchoholic beverages.