In an effect named for this man, increasing oxygen levels lead to decreasing fermentation activity. He showed that microbes were the cause of two silkworm parasites. In his "soup of life" experiment, 
In an effect named for this man, increasing oxygen levels lead to decreasing fermentation activity. He showed that microbes were the cause of two silkworm parasites. In his "soup of life" experiment, this microbiologist disproved (*) spontaneous generation in favor of biogenesis, and he separately developed vaccines for rabies and anthrax. For 10 points, name this French scientist who developed a method of heat-treating perishable products, like milk, to give them a longer shelf life.
In an effect named for this man, increasing oxygen levels lead to decreasing fermentation activity.