27 févr. 1860 - Louis Pasteur French Chemist.
Description:
In 1860 Louis Pasteur a french chemist experimented with bacteria, in the 1860's people did not know what caused disease. He not only discovered that disease was caused by microorganisms, but he realized it could be killed by heat and disinfectant.Ajouté au bande de temps:
Date:
27 févr. 1860
Maintenaint
~ Il y a 165 ans