Louis Pasteur and his researches.
D000486:Allergy and Immunology / Q000266:history*; D001424:Bacterial Infections / Q000266:history; D003461:Crystallography; D005285:Fermentation; D005602:France; D049671:History, 18th Century; D049672:History, 19th Century; D008829:Microbiology / Q000266:history*; D014777:Virus Diseases / Q000266:history