-
Joseph Lister develops the use of antiseptic in surgery
-
Robert Koch and Louis Pasteur establish the germ theory of disease
-
First vaccine developed for cholera
-
First Organ Transplant
-
Polio Vaccine was created
-
DNA discovered
-
Report says Cigarettes causes Cancer
-
Lasers invented
-
DNA First used to Convict Criminals
-
First vaccine developed for hepatitis A