Marie Curie, a brilliant female Polish scientist who moved to Paris, discovered radioactivity along with her (less-talented) husband Pierre. Dmitri Mendeleev, a Russian chemist, put together the periodic table of elements that is still taught today. British physician Joseph Lister applied Pasteur’s germ theory of disease and implemented an antibacterial cleaning technique for hospital tools and facilities, greatly reducing the number of infections. | Marie Curie, a brilliant female Polish scientist who moved to Paris, discovered radioactivity along with her (less-talented) husband Pierre. Dmitri Mendeleev, a Russian chemist, put together the periodic table of elements that is still taught today. British physician Joseph Lister applied Pasteur’s germ theory of disease and implemented an antibacterial cleaning technique for hospital tools and facilities, greatly reducing the number of infections. |