| A | B |
|---|
| Paul Ehrlich | arsenic compound that cures syphilis |
| Alexander Fleming | discovered penicillin |
| Giralamo Fracostoro | contagion passed by contact, lifeless objects and air |
| Georg Gaffky | cultivated typhoid bacillus |
| Robert Hooke | Used microscope to examine objects in nature |
| Edward Jenner | used cowpox to vaccinate humans against smallpox |
| Louis Joblot | discovered various forms of protozoa |
| Carolus Linnaeus | binomial system of nomenclature |
| Louis Pasteur | vaccines for rabies and anthrax |
| Walter Reed | discovered mosquito as vector of yellow fever |
| Emile Roux | identified diphteria toxin |
| Ernst Karl Abbe | oil immersion lens |
| Kiyoshi Shiga | identified a bacterium (Shigella) as cause of a dysentery |
| Ignaz Semmelweiss | chlorine water handwashing prevents spread of disease |
| John Snow | water supply is a source of cholera |
| Emil von Behring | diphteria can be treated using antitoxin |
| Charles Nicolle | typhus transmitted by lice |
| Ronald Ross | mosquitos are vectors of malaria |
| David Bruce | tsetse flies vectors of sleeping sickness |
| Howard Taylor Ricketts | Rocky Mountain spotted fever spread by ticks |
