1916-2013 (96 years old)
Year of great discovery/work
Koprowski is credited with developing two vaccines: a rabies vaccine that remains widely used today, and the first effective vaccine against polio. Koprowski’s polio vaccine was first shown to be effective after studies in Africa; however it was never approved for use in the U.S.
Did you know?
Koprowski tested the oral polio vaccine on himself after making it in a kitchen blender.