Louis Pasteur was a French biologist, microbiologist and chemist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization. He is remembered for his remarkable breakthroughs in the causes and prevention of diseases, and his discoveries have saved many lives ever since.
He appeared on an episode of Xavier Riddle and the Secret Museum called I Am Louis Pasteur.
He is voiced by Chris D'Silva.
Since he was met in the early 1830’s, he would have been at least 8.