He showed that food spoils because of microorganisms and invented pasteurization, which was originally used to prevent wine and beer from souring. If that wasn't enough, he also came up with a rabies vaccine.
From the phone that has changed phones forever, to futuristic cars, to a building made of water, to a remote-controlled dragonfly — a dazzling display of ingenuity
Louis Pasteur (1822-1895)