| A | B |
|---|
| Billroth | First esophagectomy laryngectomy and gastrectomy |
| Lister | Principles of aseptic technique |
| Roentgen | Discovered the x-ray |
| Hunter | First to classify teeth |
| Auenbrugger | Developed percussion |
| Jenner | First vaccination for smallpox |
| Halstead | First blood transfusion |
| Long | First to use ether as an anesthetic agent |
| Pasteur | Established the germ theory of fermation |
| Reed | Yellow fever |
| Ehrlich | Magic bullet or Salvarsan |
| Semmelweiss | Correlated infection rate with frequency of hand-washing |
| Koch | Petri dish, Agar |
| Cooley | First artificial heart transplant |
| Beijerinck | Developed the concept of a virus |
| Cushing | Blood pressure measurement |
| DeBakey | Invented the roller pump |
| Flemming | Discovered penicillin |
| Salk | Put Pittsburgh on the map |
| Sabin | First oral polio vaccine |
| Hooke | The cell theory |
| Pare | Started arterial ligation |
| Hippocrates | Promoted the concept that the body has the ability to heal itself |
| Leeuwenhoek | Discovered magnification process |
| Vesalius | Performed human dissections on cadavers |
| Galen | Wrote 500 treatises |
| Aristotle | Founder of comparative anatomy |
