Louis Pasteur was one of the first scientists to discover the role of microorganisms in disease and how sickness could be prevented by vaccines. At the time, it was widely believed that ...

But the virus’s incubation period also made rabies of interest to Pasteur—already a famous scientist in France—as a candidate for a new type of vaccine. “The time from the bite to the sickness was ...

While working with the French wine industry in 1848, Dr. Louis Pasteur studied tartaric acid, a blackish purple substance that grows on the back of wine barrels. By studying this byproduct of wine ...

Enter: Louis Pasteur of France and Robert Koch of Germany ... were fighting each other on the battlefield as well as in the lab, so their research was charged with epic significance.