When Louis Pasteur was working on the rabies vaccine, if he or his assistants got infected, they were to be shot in the head.

When Louis Pasteur was working on the rabies vaccine, if he or his assistants got infected, they were to be shot in the head.

Louis Pasteur was a French chemist who created the first vaccines for both rabies and anthrax. Pasteur also invented the process that helps make milk and other liquids (and occasionally foods) safer to consume.

Source